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USD576290S1 - Step ladder - Google Patents

Step ladder
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Publication number
USD576290S1
USD576290S1US29/246,770US24677006FUSD576290SUS D576290 S1USD576290 S1US D576290S1US 24677006 FUS24677006 FUS 24677006FUS D576290 SUSD576290 SUS D576290S
Authority
US
United States
Prior art keywords
step ladder
ladder
elevation view
ornamental design
view
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US29/246,770
Inventor
Thomas J. Meyers
Paul F. Meyers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dorel Home Furnishings Inc
Original Assignee
Cosco Management Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cosco Management IncfiledCriticalCosco Management Inc
Priority to US29/246,770priorityCriticalpatent/USD576290S1/en
Assigned to COSCO MANAGEMENT, INC.reassignmentCOSCO MANAGEMENT, INC.ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).Assignors: MEYERS, PAUL F., MEYERS, THOMAS J.
Application grantedgrantedCritical
Publication of USD576290S1publicationCriticalpatent/USD576290S1/en
Assigned to AMERIWOOD INDUSTRIES, INC.reassignmentAMERIWOOD INDUSTRIES, INC.ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).Assignors: COSCO MANAGEMENT, INC.
Assigned to DOREL HOME FURNISHINGS, INC.reassignmentDOREL HOME FURNISHINGS, INC.CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).Assignors: AMERIWOOD INDUSTRIES, INC.
Anticipated expirationlegal-statusCritical
Expired - Lifetimelegal-statusCriticalCurrent

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Description

FIG. 1 is a perspective view of a step ladder illustrating our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a right-side elevation view thereof;
FIG. 4 is a left-side elevation view thereof;
FIG. 5 is a rear elevation view thereof; and,
FIG. 6 is a top plan view thereof.

Claims (1)

    CLAIM
  1. The ornamental design for a step ladder, as shown and described.
US29/246,7702006-05-092006-05-09Step ladderExpired - LifetimeUSD576290S1 (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
US29/246,770USD576290S1 (en)2006-05-092006-05-09Step ladder

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
US29/246,770USD576290S1 (en)2006-05-092006-05-09Step ladder

Publications (1)

Publication NumberPublication Date
USD576290S1true USD576290S1 (en)2008-09-02

Family

ID=39718864

Family Applications (1)

Application NumberTitlePriority DateFiling Date
US29/246,770Expired - LifetimeUSD576290S1 (en)2006-05-092006-05-09Step ladder

Country Status (1)

CountryLink
US (1)USD576290S1 (en)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
USD710031S1 (en)2012-11-152014-07-29Tricam Industries, Inc.Step stool
USD722181S1 (en)*2013-09-092015-02-03Lock N Climb, LlcLadder
US9016434B2 (en)2011-02-222015-04-28Wing Enterprises, Inc.Ladders, ladder components and related methods
US9038776B2 (en)2009-04-032015-05-26Lock N Climb, LlcCollapsible safe ladder
USD733931S1 (en)2013-09-092015-07-07Lock N Climb, LlcLadder towing apparatus
USD734500S1 (en)2013-09-092015-07-14Lock N Climb, LlcLadder towing apparatus
US9163455B2 (en)2008-03-072015-10-20Wing Enterprises, Inc.Ladders, ladder components and related methods
USD745191S1 (en)2014-05-272015-12-08Lock N Climb, LlcLadder
USD766462S1 (en)*2014-09-042016-09-13Wing Enterprises, Inc.Ladder
USD766461S1 (en)*2014-09-042016-09-13Wing Enterprises, Inc.Ladder
USD813416S1 (en)2014-09-042018-03-20Wing Enterprises, IncorporatedTop cap for ladder
USD855833S1 (en)2017-01-042019-08-06Tricam Industries, Inc.Ladder rail
USD860476S1 (en)2017-01-042019-09-17Tricam Industries, Inc.Hinge for a multi-position ladder
US10487576B2 (en)2016-03-042019-11-26Wing Enterprises, IncorporatedAdjustment mechanisms, ladders incorporating same and related methods
US10597941B2 (en)2013-09-272020-03-24Wing Enterprises, IncorporatedStep ladders, components for step ladders and related methods
US11441356B2 (en)2018-06-082022-09-13Wing Enterprises, IncorporatedLadders, top cap for ladders and trays for ladders
USD966557S1 (en)*2018-10-192022-10-11Little Giant Ladder Systems, LlcLadder
USD969347S1 (en)*2018-10-192022-11-08Little Giant Ladder Systems, LlcFlip-up ladder
USD970045S1 (en)*2018-07-202022-11-15Little Giant Ladder Systems, LlcLadder
USD970046S1 (en)*2018-07-202022-11-15Little Giant Ladder Systems, LlcLadder
USD1005526S1 (en)*2023-05-262023-11-21Fuling MaLadder
USD1089715S1 (en)*2023-07-312025-08-19Jiaxing Explorer Metal Products Co., Ltd.Handrail ladder
USD1090905S1 (en)*2024-06-202025-08-26Zhejiang Kangqian Industry & Trade Co., Ltd.Ladder
USD1091868S1 (en)2023-11-042025-09-02Jiaxing Explorer Metal Products Co., Ltd.Ladder
USD1097206S1 (en)*2024-03-012025-10-07Luhao LengLadder

Citations (17)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4204587A (en)*1978-10-131980-05-27White Metal Rolling And Stamping Corp.Ladder constructions
US4371055A (en)*1980-11-071983-02-01Little Giant Industries, Inc.Method of manufacturing a fiberglass ladder
US4560030A (en)*1984-05-041985-12-24Metarplastic S.P.A.Folding ladder
US4834216A (en)*1987-01-151989-05-30Emerson Electric Co.Foldable ladder structure and method of manufacturing the same
USD331289S (en)*1990-10-191992-11-24Davis Thomas WLadder attached paint can support
USD388882S (en)1996-01-111998-01-06Cosco, Inc.Combined work ladder and platform
US5722507A (en)1996-01-111998-03-03Cosco, Inc.Step stool assembly
US6000497A (en)1997-01-091999-12-14Cosco, Inc.Detachable tray for step stool
USD433156S (en)1999-08-132000-10-31Cosco Management, Inc.Step stool
USD444574S1 (en)1999-01-082001-07-03Cosco Management, Inc.Step stool
USD449385S1 (en)2000-08-112001-10-16Cosco Management, Inc.Step stool with tray
US6390238B1 (en)1999-08-132002-05-21Cosco Management, Inc.Foldable step stool with leg lock and handle
US6427805B1 (en)1999-01-082002-08-06Cosco Management, Inc.Folding step stool
US6443261B1 (en)1999-08-132002-09-03Cosco Management, Inc.Step stool
USD466225S1 (en)2001-01-092002-11-26Cosco Management, Inc.Step stool with tray
US6536557B2 (en)2001-08-092003-03-25Cosco Management, Inc.Utility tray for step stool
US6550579B2 (en)2000-08-112003-04-22Cosco Management, Inc.Step stool

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4204587A (en)*1978-10-131980-05-27White Metal Rolling And Stamping Corp.Ladder constructions
US4371055A (en)*1980-11-071983-02-01Little Giant Industries, Inc.Method of manufacturing a fiberglass ladder
US4560030A (en)*1984-05-041985-12-24Metarplastic S.P.A.Folding ladder
US4834216A (en)*1987-01-151989-05-30Emerson Electric Co.Foldable ladder structure and method of manufacturing the same
USD331289S (en)*1990-10-191992-11-24Davis Thomas WLadder attached paint can support
USD388882S (en)1996-01-111998-01-06Cosco, Inc.Combined work ladder and platform
US5722507A (en)1996-01-111998-03-03Cosco, Inc.Step stool assembly
US6000497A (en)1997-01-091999-12-14Cosco, Inc.Detachable tray for step stool
US6427805B1 (en)1999-01-082002-08-06Cosco Management, Inc.Folding step stool
USD444574S1 (en)1999-01-082001-07-03Cosco Management, Inc.Step stool
US6390238B1 (en)1999-08-132002-05-21Cosco Management, Inc.Foldable step stool with leg lock and handle
USD433156S (en)1999-08-132000-10-31Cosco Management, Inc.Step stool
US6443261B1 (en)1999-08-132002-09-03Cosco Management, Inc.Step stool
USD449385S1 (en)2000-08-112001-10-16Cosco Management, Inc.Step stool with tray
US6550579B2 (en)2000-08-112003-04-22Cosco Management, Inc.Step stool
USD466225S1 (en)2001-01-092002-11-26Cosco Management, Inc.Step stool with tray
US6536557B2 (en)2001-08-092003-03-25Cosco Management, Inc.Utility tray for step stool

Cited By (38)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US9163455B2 (en)2008-03-072015-10-20Wing Enterprises, Inc.Ladders, ladder components and related methods
US10767416B2 (en)2008-03-072020-09-08Wing Enterprises, IncorporatedLadders, ladder components and related methods
US11788351B2 (en)2008-03-072023-10-17Little Giant Ladder Systems, LlcLadders, ladder components and related methods
US9784033B2 (en)2008-03-072017-10-10Wing Enterprises, IncorporatedLadders, ladder components and related methods
US12352107B2 (en)2008-03-072025-07-08Little Giant Ladder Systems, LlcLadders, ladder components and related methods
US12359508B2 (en)2008-03-072025-07-15Little Giant Ladder Systems, LlcLadders, ladder components and related methods
US9038776B2 (en)2009-04-032015-05-26Lock N Climb, LlcCollapsible safe ladder
US11846137B2 (en)2011-02-222023-12-19Little Giant Ladder Systems, LlcLadders, ladder components and related methods
US10501990B2 (en)2011-02-222019-12-10Wing Enterprises, IncorporatedLadders, ladder components and related methods
US9016434B2 (en)2011-02-222015-04-28Wing Enterprises, Inc.Ladders, ladder components and related methods
USD710031S1 (en)2012-11-152014-07-29Tricam Industries, Inc.Step stool
USD734500S1 (en)2013-09-092015-07-14Lock N Climb, LlcLadder towing apparatus
USD733931S1 (en)2013-09-092015-07-07Lock N Climb, LlcLadder towing apparatus
USD722181S1 (en)*2013-09-092015-02-03Lock N Climb, LlcLadder
US10597941B2 (en)2013-09-272020-03-24Wing Enterprises, IncorporatedStep ladders, components for step ladders and related methods
USD745191S1 (en)2014-05-272015-12-08Lock N Climb, LlcLadder
USD813416S1 (en)2014-09-042018-03-20Wing Enterprises, IncorporatedTop cap for ladder
USD838385S1 (en)*2014-09-042019-01-15Wing Enterprises, IncorporatedLadder
USD829346S1 (en)*2014-09-042018-09-25Wing Enterprises, Inc.Ladder
USD766462S1 (en)*2014-09-042016-09-13Wing Enterprises, Inc.Ladder
USD766461S1 (en)*2014-09-042016-09-13Wing Enterprises, Inc.Ladder
US10487576B2 (en)2016-03-042019-11-26Wing Enterprises, IncorporatedAdjustment mechanisms, ladders incorporating same and related methods
US11421475B2 (en)2016-03-042022-08-23Little Giant Ladder Systems, LlcAdjustment mechanisms, ladders incorporating same and related methods
USD855833S1 (en)2017-01-042019-08-06Tricam Industries, Inc.Ladder rail
USD860476S1 (en)2017-01-042019-09-17Tricam Industries, Inc.Hinge for a multi-position ladder
US12065882B2 (en)2018-06-082024-08-20Little Giant Ladder Systems, LlcCombination ladders, ladder components and related methods
US12152445B2 (en)2018-06-082024-11-26Little Giant Ladder Systems, LlcCombination ladders, ladder components and related methods
US11441356B2 (en)2018-06-082022-09-13Wing Enterprises, IncorporatedLadders, top cap for ladders and trays for ladders
USD970046S1 (en)*2018-07-202022-11-15Little Giant Ladder Systems, LlcLadder
USD970045S1 (en)*2018-07-202022-11-15Little Giant Ladder Systems, LlcLadder
USD999404S1 (en)*2018-10-192023-09-19Little Giant Ladder Systems, LlcLadder
USD969347S1 (en)*2018-10-192022-11-08Little Giant Ladder Systems, LlcFlip-up ladder
USD966557S1 (en)*2018-10-192022-10-11Little Giant Ladder Systems, LlcLadder
USD1005526S1 (en)*2023-05-262023-11-21Fuling MaLadder
USD1089715S1 (en)*2023-07-312025-08-19Jiaxing Explorer Metal Products Co., Ltd.Handrail ladder
USD1091868S1 (en)2023-11-042025-09-02Jiaxing Explorer Metal Products Co., Ltd.Ladder
USD1097206S1 (en)*2024-03-012025-10-07Luhao LengLadder
USD1090905S1 (en)*2024-06-202025-08-26Zhejiang Kangqian Industry & Trade Co., Ltd.Ladder

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