Back support
Description
Claims
The ornamental design for a back support, as shown.
Referenced Cited
U.S. Patent Documents
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5388274 | February 14, 1995 | Glover et al. |
5447498 | September 5, 1995 | Watson |
5470000 | November 28, 1995 | Munoz |
D375186 | November 5, 1996 | Kim |
5656021 | August 12, 1997 | Greengarg |
5820575 | October 13, 1998 | Cabrera et al. |
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D451605 | December 4, 2001 | Snider |
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Patent History
Patent number: D625019
Type: Grant
Filed: Jan 27, 2010
Date of Patent: Oct 5, 2010
Inventor: Pang-Ching Chiang (Taipei)
Primary Examiner: Susan E Krakower
Attorney: patenttm.us
Application Number: 29/354,711
Type: Grant
Filed: Jan 27, 2010
Date of Patent: Oct 5, 2010
Inventor: Pang-Ching Chiang (Taipei)
Primary Examiner: Susan E Krakower
Attorney: patenttm.us
Application Number: 29/354,711
Classifications