Concrete hammer

- Ryobi Ltd.
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Description

FIG. 1 is a front, top and right side perspective view of a concrete hammer showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D301967 July 4, 1989 Sakamoto et al.
D310936 October 2, 1990 Saito et al.
D316020 April 9, 1991 Fushiya et al.
D333767 March 9, 1993 Sasaki et al.
Foreign Patent Documents
420927 April 1976 JPX
562326 September 1983 JPX
Patent History
Patent number: D341532
Type: Grant
Filed: Mar 13, 1992
Date of Patent: Nov 23, 1993
Assignee: Ryobi Ltd. (Hiroshima)
Inventors: Satoru Watanabe (Tokyo), Masakazu Sakamoto (Tokyo)
Primary Examiner: Alan P. Douglas
Assistant Examiner: J. H. Musgrove
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/850,771
Classifications
Current U.S. Class: D 8/69