









| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US29/617,492USD870529S1 (en) | 1998-07-22 | 2017-09-14 | Annular blade for a low friction rotary knife | 
| US29/713,076USD951732S1 (en) | 1998-07-22 | 2019-11-13 | Annular blade for a low friction rotary knife | 
| US29/838,845USD1003678S1 (en) | 1998-07-22 | 2022-05-16 | Blade—blade housing bearing interface for a low friction rotary knife | 
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US09/120,778US6769184B1 (en) | 1998-07-22 | 1998-07-22 | Low friction rotary knife | 
| US10/909,168US7000325B2 (en) | 1998-07-22 | 2004-07-30 | Low friction rotary knife | 
| US11/358,176US8074363B2 (en) | 1998-07-22 | 2006-02-21 | Rotary knife blade for low friction rotary knife | 
| US13/314,830US8671580B2 (en) | 1998-07-22 | 2011-12-08 | Low friction rotary knife | 
| US14/167,473US9364962B2 (en) | 1998-07-22 | 2014-01-29 | Low friction rotary knife | 
| US15/178,673US20160279818A1 (en) | 1998-07-22 | 2016-06-10 | Low friction rotary knife | 
| US29/617,492USD870529S1 (en) | 1998-07-22 | 2017-09-14 | Annular blade for a low friction rotary knife | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US15/178,673ContinuationUS20160279818A1 (en) | 1998-07-22 | 2016-06-10 | Low friction rotary knife | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/713,076DivisionUSD951732S1 (en) | 1998-07-22 | 2019-11-13 | Annular blade for a low friction rotary knife | 
| Publication Number | Publication Date | 
|---|---|
| USD870529S1true USD870529S1 (en) | 2019-12-24 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US09/120,778Expired - LifetimeUS6769184B1 (en) | 1998-07-22 | 1998-07-22 | Low friction rotary knife | 
| US10/909,168Expired - LifetimeUS7000325B2 (en) | 1998-07-22 | 2004-07-30 | Low friction rotary knife | 
| US10/903,057Expired - Fee RelatedUS7340840B2 (en) | 1998-07-22 | 2004-07-30 | Blade housing for low friction rotary knife | 
| US11/358,176Expired - Fee RelatedUS8074363B2 (en) | 1998-07-22 | 2006-02-21 | Rotary knife blade for low friction rotary knife | 
| US13/314,830Expired - LifetimeUS8671580B2 (en) | 1998-07-22 | 2011-12-08 | Low friction rotary knife | 
| US14/167,473Expired - Fee RelatedUS9364962B2 (en) | 1998-07-22 | 2014-01-29 | Low friction rotary knife | 
| US15/178,673AbandonedUS20160279818A1 (en) | 1998-07-22 | 2016-06-10 | Low friction rotary knife | 
| US29/617,492ActiveUSD870529S1 (en) | 1998-07-22 | 2017-09-14 | Annular blade for a low friction rotary knife | 
| US29/713,076ActiveUSD951732S1 (en) | 1998-07-22 | 2019-11-13 | Annular blade for a low friction rotary knife | 
| US29/838,845ActiveUSD1003678S1 (en) | 1998-07-22 | 2022-05-16 | Blade—blade housing bearing interface for a low friction rotary knife | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US09/120,778Expired - LifetimeUS6769184B1 (en) | 1998-07-22 | 1998-07-22 | Low friction rotary knife | 
| US10/909,168Expired - LifetimeUS7000325B2 (en) | 1998-07-22 | 2004-07-30 | Low friction rotary knife | 
| US10/903,057Expired - Fee RelatedUS7340840B2 (en) | 1998-07-22 | 2004-07-30 | Blade housing for low friction rotary knife | 
| US11/358,176Expired - Fee RelatedUS8074363B2 (en) | 1998-07-22 | 2006-02-21 | Rotary knife blade for low friction rotary knife | 
| US13/314,830Expired - LifetimeUS8671580B2 (en) | 1998-07-22 | 2011-12-08 | Low friction rotary knife | 
| US14/167,473Expired - Fee RelatedUS9364962B2 (en) | 1998-07-22 | 2014-01-29 | Low friction rotary knife | 
| US15/178,673AbandonedUS20160279818A1 (en) | 1998-07-22 | 2016-06-10 | Low friction rotary knife | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/713,076ActiveUSD951732S1 (en) | 1998-07-22 | 2019-11-13 | Annular blade for a low friction rotary knife | 
| US29/838,845ActiveUSD1003678S1 (en) | 1998-07-22 | 2022-05-16 | Blade—blade housing bearing interface for a low friction rotary knife | 
| Country | Link | 
|---|---|
| US (10) | US6769184B1 (en) | 
| EP (1) | EP0974431B1 (en) | 
| JP (1) | JP2000052293A (en) | 
| BR (1) | BR9902990A (en) | 
| DE (1) | DE69921034T2 (en) | 
| ES (1) | ES2226244T3 (en) | 
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| USD951732S1 (en) | 1998-07-22 | 2022-05-17 | Bettcher Industries, Inc. | Annular blade for a low friction rotary knife | 
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| Title | 
|---|
| Jul. 28, 2011 Decision on Appeal of the Board of Patent Appeals and Interferences (Appeal No. 20011-00791, Control No. 95/001,130) regarding the inter partes reexamination of U.S. Pat. No. 7,000,325, which issued from U.S. Appl. No. 10/909,168, the great-grandparent of the present application (13 pages). | 
| Oct. 3, 2011 Decision and Opinion of the United States Court of Appeals for the Federal Circuit (Appeal No. 2011-1038,-1046) regarding the case styled Bettcher Industries, Inc. v. Bunzl USA, Inc. and Bunzl Processor Distribution, LLC, Case No. 3:08 CV 2423, U.S. District Court for the Northern District of Ohio, Judge Zouhary. The Decision and Opinion relates to U.S. Pat. No. 7,000,325, which issued from U.S. Appl. No. 10/909,168, the great-grandparent of the present application (47 pages). | 
| Publication number | Priority date | Publication date | Assignee | Title | 
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| USD951732S1 (en) | 1998-07-22 | 2022-05-17 | Bettcher Industries, Inc. | Annular blade for a low friction rotary knife | 
| USD1003678S1 (en) | 1998-07-22 | 2023-11-07 | Bettcher Industries, Inc. | Blade—blade housing bearing interface for a low friction rotary knife | 
| Publication number | Publication date | 
|---|---|
| US8671580B2 (en) | 2014-03-18 | 
| EP0974431A1 (en) | 2000-01-26 | 
| US6769184B1 (en) | 2004-08-03 | 
| USD951732S1 (en) | 2022-05-17 | 
| US20140144029A1 (en) | 2014-05-29 | 
| DE69921034T2 (en) | 2005-10-20 | 
| US7340840B2 (en) | 2008-03-11 | 
| US9364962B2 (en) | 2016-06-14 | 
| US20050178009A1 (en) | 2005-08-18 | 
| US20160279818A1 (en) | 2016-09-29 | 
| EP0974431B1 (en) | 2004-10-13 | 
| US20050126015A1 (en) | 2005-06-16 | 
| ES2226244T3 (en) | 2005-03-16 | 
| JP2000052293A (en) | 2000-02-22 | 
| US20060137193A1 (en) | 2006-06-29 | 
| US20120079726A1 (en) | 2012-04-05 | 
| US7000325B2 (en) | 2006-02-21 | 
| DE69921034D1 (en) | 2004-11-18 | 
| BR9902990A (en) | 2000-03-14 | 
| US8074363B2 (en) | 2011-12-13 | 
| USD1003678S1 (en) | 2023-11-07 | 
| Publication | Publication Date | Title | 
|---|---|---|
| USD951732S1 (en) | Annular blade for a low friction rotary knife | |
| USD437406S1 (en) | Fan blade | |
| USD404614S (en) | Bowl | |
| USD425816S (en) | Cut stone | |
| USD406018S (en) | Kitchen cutter | |
| USD442513S1 (en) | Cut stone | |
| USD442459S1 (en) | Cultivating blade | |
| USD413247S (en) | Utility knife | |
| USD397277S (en) | Bread cutter | |
| USD412815S (en) | Cutting board | |
| USD440580S1 (en) | Blade | |
| USD430177S (en) | Cutting blade | |
| USD475910S1 (en) | Retractable blade utility knife | |
| USD455941S1 (en) | Scissors | |
| USD435064S (en) | Cutting mat | |
| USD433304S (en) | Fixed blade utility knife | |
| USD403211S (en) | Adjustable scoop | |
| USD427907S (en) | Winestopper | |
| USD428356S (en) | Cut stone | |
| USD434955S (en) | Shears | |
| USD418847S (en) | Bearing unit | |
| USD437764S1 (en) | Carpet knife | |
| USD414628S (en) | Credenza | |
| USD413494S (en) | Cutting board | |
| USD435413S (en) | Diagonal cutter pliers | 
| Date | Code | Title | Description | 
|---|---|---|---|
| FEPP | Fee payment procedure | Free format text:ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY | |
| FEPP | Fee payment procedure | Free format text:ENTITY STATUS SET TO SMALL (ORIGINAL EVENT CODE: SMAL); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY | |
| FEPP | Fee payment procedure | Free format text:ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |