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Publication numberUSD511291 S1
Publication typeGrant
Application numberUS 29/203,383
Publication dateNov 8, 2005
Filing dateApr 14, 2004
Priority dateApr 14, 2004
Also published asCA108633S, CA113922S, USD518353
Publication number203383, 29203383, US D511291 S1, US D511291S1, US-S1-D511291, USD511291 S1, USD511291S1
InventorsMark Van Handel
Original AssigneeMaster Lock Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Doorknob
US D511291 S1
Abstract  available in
Images(3)
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Claims(1)
  1. The ornamental design for a doorknob, as shown and described.
Description

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

FIG. 2 is a top view of the doorknob of FIG. 1, the bottom view being identical;

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

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

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

FIG. 6 is a top view of the doorknob of FIG. 5, the bottom view being identical;

FIG. 7 is a front 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 only.

Non-Patent Citations
Reference
1 *McGraw-Hill Construction Sweets Catalog, 1996., p. 30. (1 page).
2 *Sager Hardware Catalog, 1937.,pp. 30A, 31A, & 257 (3 pages).
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD733263 *Jan 24, 2013Jun 30, 2015Mitsubishi Cable Industries, Ltd.Seal element
Classifications
U.S. ClassificationD08/310