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Concrete hammer |
| D341532 |
Concrete hammer
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| Patent Drawings: | |
| Inventor: |
Watanabe, et al. |
| Date Issued: |
November 23, 1993 |
| Application: |
07/850,771 |
| Filed: |
March 13, 1992 |
| Inventors: |
Sakamoto; Masakazu (Tokyo, JP)
Watanabe; Satoru (Tokyo, JP)
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| Assignee: |
Ryobi Ltd. (Hiroshima, JP) |
| Primary Examiner: |
Douglas; Alan P. |
| Assistant Examiner: |
Musgrove; J. H. |
| Attorney Or Agent: |
Sughrue, Mion, Zinn, Macpeak & Seas |
| U.S. Class: |
D8/69 |
| Field Of Search: |
D8/61; D8/69; D8/68; 173/170; 173/48; 81/57.11 |
| International Class: |
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| U.S Patent Documents: |
D301967; D310936; D316020; D333767 |
| Foreign Patent Documents: |
420927; 562326 |
| Other References: |
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| Abstract: |
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| Claim: |
The ornamental design for a concrete hammer, as shown. |
| 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.
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