Lock shackle

- Master Lock Company
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Description

FIG. 1 is a top plan view of a lock shackle showing my new design;

FIG. 2 is a side elevational view thereof, the other side elevational being a mirror image thereof;

FIG. 3 is front elevational view thereof, the rear elevational being a mirror image thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines are for illustrative purpose and form no part of the claimed design.

Claims

The ornamental design for a lock shackle, as shown and described.

Referenced Cited
U.S. Patent Documents
526740 October 1894 Rapaport
661560 November 1900 Stall
666231 January 1901 Lawson
767004 August 1904 Muchowicz
1016455 February 1912 Stone
1455770 May 1923 Anderson
1629388 May 1927 Jackson
1777424 October 1930 Atkins
3395555 August 1968 Hickman
D212170 September 1968 Owen
3626729 December 1971 Fane
3830085 August 1974 Gerlach
5253496 October 19, 1993 Wang
5372019 December 13, 1994 Hsiao
D360125 July 11, 1995 Taylor
D392540 March 24, 1998 McDaid
5727405 March 17, 1998 Cromwell
D408261 April 20, 1999 Gregory
D433310 November 7, 2000 Luquire
D433311 November 7, 2000 Luquire
D454486 March 19, 2002 Streibel
D484777 January 6, 2004 Ruan
Patent History
Patent number: D520339
Type: Grant
Filed: Mar 7, 2003
Date of Patent: May 9, 2006
Assignee: Master Lock Company (Oak Creek, WI)
Inventor: John Heppner (Kenosha, WI)
Primary Examiner: Prabhakar Deshmukh
Attorney: Calfee, Halter & Griswold LLP
Application Number: 29/177,321
Classifications
Current U.S. Class: D8/343; D8/330