




























| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US29/702,590USD919817S1 (en) | 2017-08-25 | 2019-08-20 | Knob of a dental matrix device | 
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US29/615,173USD860462S1 (en) | 2017-08-25 | 2017-08-25 | Dental matrix device | 
| US29/702,590USD919817S1 (en) | 2017-08-25 | 2019-08-20 | Knob of a dental matrix device | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/615,173Continuation-In-PartUSD860462S1 (en) | 2017-08-25 | 2017-08-25 | Dental matrix device | 
| Publication Number | Publication Date | 
|---|---|
| USD919817S1true USD919817S1 (en) | 2021-05-18 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/702,590ActiveUSD919817S1 (en) | 2017-08-25 | 2019-08-20 | Knob of a dental matrix device | 
| Country | Link | 
|---|---|
| US (1) | USD919817S1 (en) | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US348628A (en) | 1886-09-07 | Dental matrix | ||
| US2286021A (en) | 1940-06-28 | 1942-06-09 | Stanford Horrie Burton | Dental matrix clamp | 
| US2439703A (en) | 1946-06-18 | 1948-04-13 | Benjamin F Tofflemire | Matrix retainer | 
| US2591745A (en)* | 1950-12-12 | 1952-04-08 | Benjamin F Tofflemire | Contra-angle retainer for use with gingival-aperture and cusp-replacing dental matrix bands | 
| US2794254A (en)* | 1956-05-07 | 1957-06-04 | Reiter David | Dental retainer and former | 
| US3020638A (en)* | 1959-03-09 | 1962-02-13 | Benjamin F Tofflemire | Combination dental instrument defining a matrix band retainer and clamping block forthe band | 
| US3462841A (en) | 1968-01-16 | 1969-08-26 | Ira V Ainsworth | Dental matrix equipment | 
| USD316899S (en)* | 1987-09-01 | 1991-05-14 | Astra Meditec Ab | Two-chamber injector | 
| US5055045A (en) | 1991-03-18 | 1991-10-08 | Dickie Robert G | Disposable dental matrix retainer clamp | 
| US5234793A (en) | 1989-04-24 | 1993-08-10 | Siemens Aktiengesellschaft | Method for dimensionally accurate structure transfer in bilayer technique wherein a treating step with a bulging agent is employed after development | 
| US5342197A (en) | 1994-01-19 | 1994-08-30 | Innovadent Technologies Ltd. | Dental matrix retainer clamp | 
| US5460525A (en) | 1994-03-07 | 1995-10-24 | Rashid; Paul L. | Dual matrix band retainer | 
| US5722831A (en)* | 1996-12-20 | 1998-03-03 | Lin; Chih-Sheng | Apparatus for fastening a matrix band to a tooth | 
| US6074210A (en) | 1997-08-27 | 2000-06-13 | Garrison; John E. | Dental wedge for utilization in dental restoration | 
| US6234793B1 (en) | 1999-07-19 | 2001-05-22 | Ultradent Products, Inc. | Textured dental matrix bands and related methods | 
| US6589053B2 (en) | 2001-04-19 | 2003-07-08 | Ultradent Products, Inc. | Low profile matrix band retainers | 
| US20090081606A1 (en)* | 2007-09-26 | 2009-03-26 | Scarazzo Robert M | Dental matrix band holder and procedure | 
| WO2010061161A1 (en) | 2008-11-01 | 2010-06-03 | Astek Innovations Limited | Dental matrix clamp | 
| US9517110B2 (en) | 2011-11-02 | 2016-12-13 | Dentsply International Inc. | Matrix band retainer | 
| US9687970B2 (en) | 2015-08-24 | 2017-06-27 | Plus Craft Industrial Co., Ltd. | Oil core wrench | 
| USD792594S1 (en) | 2016-05-10 | 2017-07-18 | Dentsply Sirona Inc. | Circumferential matrix system | 
| US20180008375A1 (en) | 2016-02-23 | 2018-01-11 | Dentsply Sirona Inc. | Circumferential matrix system | 
| US20190060032A1 (en) | 2017-08-25 | 2019-02-28 | Ultradent Products, Inc. | Dental matrix devices | 
| USD860462S1 (en) | 2017-08-25 | 2019-09-17 | Ultradent Products, Inc. | Dental matrix device | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US348628A (en) | 1886-09-07 | Dental matrix | ||
| US2286021A (en) | 1940-06-28 | 1942-06-09 | Stanford Horrie Burton | Dental matrix clamp | 
| US2439703A (en) | 1946-06-18 | 1948-04-13 | Benjamin F Tofflemire | Matrix retainer | 
| US2591745A (en)* | 1950-12-12 | 1952-04-08 | Benjamin F Tofflemire | Contra-angle retainer for use with gingival-aperture and cusp-replacing dental matrix bands | 
| US2794254A (en)* | 1956-05-07 | 1957-06-04 | Reiter David | Dental retainer and former | 
| US3020638A (en)* | 1959-03-09 | 1962-02-13 | Benjamin F Tofflemire | Combination dental instrument defining a matrix band retainer and clamping block forthe band | 
| US3462841A (en) | 1968-01-16 | 1969-08-26 | Ira V Ainsworth | Dental matrix equipment | 
| USD316899S (en)* | 1987-09-01 | 1991-05-14 | Astra Meditec Ab | Two-chamber injector | 
| US5234793A (en) | 1989-04-24 | 1993-08-10 | Siemens Aktiengesellschaft | Method for dimensionally accurate structure transfer in bilayer technique wherein a treating step with a bulging agent is employed after development | 
| US5055045A (en) | 1991-03-18 | 1991-10-08 | Dickie Robert G | Disposable dental matrix retainer clamp | 
| US5342197A (en) | 1994-01-19 | 1994-08-30 | Innovadent Technologies Ltd. | Dental matrix retainer clamp | 
| US5460525A (en) | 1994-03-07 | 1995-10-24 | Rashid; Paul L. | Dual matrix band retainer | 
| US5722831A (en)* | 1996-12-20 | 1998-03-03 | Lin; Chih-Sheng | Apparatus for fastening a matrix band to a tooth | 
| US6074210A (en) | 1997-08-27 | 2000-06-13 | Garrison; John E. | Dental wedge for utilization in dental restoration | 
| US6234793B1 (en) | 1999-07-19 | 2001-05-22 | Ultradent Products, Inc. | Textured dental matrix bands and related methods | 
| US6589053B2 (en) | 2001-04-19 | 2003-07-08 | Ultradent Products, Inc. | Low profile matrix band retainers | 
| US20090081606A1 (en)* | 2007-09-26 | 2009-03-26 | Scarazzo Robert M | Dental matrix band holder and procedure | 
| WO2010061161A1 (en) | 2008-11-01 | 2010-06-03 | Astek Innovations Limited | Dental matrix clamp | 
| US20110244421A1 (en) | 2008-11-01 | 2011-10-06 | Alan Julian Segal | Dental matrix clamp | 
| US8517732B2 (en) | 2008-11-01 | 2013-08-27 | Astek Innovations Limited | Dental matrix clamp | 
| US9517110B2 (en) | 2011-11-02 | 2016-12-13 | Dentsply International Inc. | Matrix band retainer | 
| US9687970B2 (en) | 2015-08-24 | 2017-06-27 | Plus Craft Industrial Co., Ltd. | Oil core wrench | 
| US20180008375A1 (en) | 2016-02-23 | 2018-01-11 | Dentsply Sirona Inc. | Circumferential matrix system | 
| USD792594S1 (en) | 2016-05-10 | 2017-07-18 | Dentsply Sirona Inc. | Circumferential matrix system | 
| US20190060032A1 (en) | 2017-08-25 | 2019-02-28 | Ultradent Products, Inc. | Dental matrix devices | 
| USD860462S1 (en) | 2017-08-25 | 2019-09-17 | Ultradent Products, Inc. | Dental matrix device | 
| USD861173S1 (en) | 2017-08-25 | 2019-09-24 | Ultradent Products, Inc. | Dental matrix device | 
| USD861174S1 (en) | 2017-08-25 | 2019-09-24 | Ultradent Products, Inc. | Dental matrix device | 
| Title | 
|---|
| 20x Plastic Control Knob InsertType 12mmDx19mmH 6mm D Shaft Grey A5. Retrieved on Jun. 29, 2020. Retrieved from the Internet: https://www.ebay.com/itm/20x-Plastic-Control-Knob-Insert-Type-12mmDx19mmH-6mm-D-Shaft-Grey-A5-/153429979390.* | 
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| 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 |