Patent
   D641563
Priority
Dec 08 2009
Filed
Dec 08 2009
Issued
Jul 19 2011
Expiry
Jul 19 2025
Assg.orig
Entity
unknown
4
12
n/a
We claim the ornamental design for a collapsible backrest, as shown and described.

FIG. 1 is a left, rear, top perspective view of a collapsible backrest showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof, the right elevational view being a mirror image of the left elevational view;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left elevational view of the collapsible backrest folded to provide a collapsed position; and,

FIG. 7 is a left, front, top perspective view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.

Matteson, Nick, Pearson, Erick

Patent Priority Assignee Title
10398613, Feb 22 2016 Spectrum Health Innovations, LLC Patient support device and related method of use
D666017, Aug 25 2010 Back rest/head rest
D785999, Nov 24 2015 Articulating hunters backrest
D903391, Jun 21 2020 Wenzhou Yucan Electronic Commerce Co., Ltd Hanging chair bracket
Patent Priority Assignee Title
1842424,
3822424,
4869553, Nov 09 1988 Collapsible chair formed from sheet material
5701979, Jul 13 1995 Bag that may be converted into a folding back rest for the beach or park
216788,
219377,
D343525, Jun 30 1992 Portable hunter's seat
D346280, Jul 14 1992 Sports seat
D360535, Feb 14 1994 Combined beach chair and beach mattress
D368809, Mar 24 1995 Tailgate seat
D371250, Aug 22 1994 Brett, Herman Portable recliner from assembled pieces
D388968, Dec 09 1996 LUSTER LEAF PRODUCTS, INC Bed chair
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Dec 08 2009ENcomfort Designs(assignment on the face of the patent)
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