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Publication numberUSD518353 S1
Publication typeGrant
Application numberUS 29/226,389
Publication dateApr 4, 2006
Filing dateMar 28, 2005
Priority dateApr 14, 2004
Fee statusPaid
Also published asCA108633S, CA113922S, USD511291
Publication number226389, 29226389, US D518353 S1, US D518353S1, US-S1-D518353, USD518353 S1, USD518353S1
InventorsMark Van Handel
Original AssigneeMaster Lock Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Doorknob
US D518353 S1
Images(3)
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Claims(1)
  1. The ornamental design for a doorknob, as shown and described.
Description

FIG. 1 is a rear elevational view of a doorknob of the new design;

FIG. 2 is a top plan view of the doorknob of FIG. 1;

FIG. 3 is a front elevational view of the doorknob of FIG. 1;

FIG. 4 is a perspective view of the doorknob of FIG. 1;

FIG. 5 is a rear elevational view of a second embodiment of a doorknob of the new design;

FIG. 6 is a top plan view of the doorknob of FIG. 5;

FIG. 7 is a front elevational view of the doorknob of FIG. 5; and,

FIG. 8 is a perspective view of the doorknob of FIG. 5.

The portions of the Figures shown in phantom lines are not part of the claimed design but are for illustration purposes only.

Non-Patent Citations
Reference
1Forty-Seven (47) pages, Exhibits B through E from file history of U.S. Trademark Registration No. 1,894,814, issued May 23, 1995.
2McGraw-Hill Construction Sweets Catalog, 1996, p. 30.
3Sager "Builders" Hardware Catalog, 1937, p. 30A.
4Sager "Builders" Hardware Catalog, 1937, p. 31A.
5Sager Hardware Catalog, 1937, p. 257.
6Three (3) pages from Ultra Hardware website, Oct. 10, 2003.
7Twenty-Four (24) pages from Kwikset website, date unknown.
Classifications
U.S. ClassificationD08/300, D08/305, D08/310
Legal Events
DateCodeEventDescription
Aug 8, 2012FPAYFee payment
Year of fee payment: 4
Sep 15, 2005ASAssignment
Owner name: SHARP KABUSHIKI KAISHA, JAPAN
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NISHIMURA, YASUHIRO;INO, TOSHIAKI;TOKUYAMA, MITSURU;AND OTHERS;REEL/FRAME:016980/0756
Effective date: 20050912