Pneumatic hammer

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Description

FIG. 1 is a front-left-top perspective view of a pneumatic hammer, 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;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

Claims

The ornamental design for a pneumatic hammer, as shown and described.

Referenced Cited
U.S. Patent Documents
3797723 March 1974 Perkins et al.
D316022 April 9, 1991 Moraht
D322204 December 10, 1991 Lee
D348382 July 5, 1994 Kaiser
D383657 September 16, 1997 Kaiser
D383658 September 16, 1997 Kaiser
5727726 March 17, 1998 Lin
D402519 December 15, 1998 Warner et al.
D402520 December 15, 1998 Warner et al.
D402873 December 22, 1998 Warner et al.
D403221 December 29, 1998 Warner et al.
D415399 October 19, 1999 Goforth et al.
5967396 October 19, 1999 Chuang
D417830 December 21, 1999 Yang
D431989 October 17, 2000 Lai
D433908 November 21, 2000 Kaiser
D434628 December 5, 2000 Etter et al.
6325268 December 4, 2001 Liang
Patent History
Patent number: D491036
Type: Grant
Filed: Sep 24, 2001
Date of Patent: Jun 8, 2004
Inventor: Kuan Lin Wang (Taichung City)
Primary Examiner: Doris V. Coles
Assistant Examiner: T. Chase Nelson
Attorney, Agent or Law Firm: Charles E. Baxley
Application Number: 29/148,587
Classifications
Current U.S. Class: D8/69; D8/68
International Classification: 0802;