Multi-needle type chisel
Description
FIG. 1 is a right side elevational view of a multi-needle type chisel showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is a perspective view thereof.
Referenced Cited
U.S. Patent Documents
Other references
2592649 | April 1952 | Brackett |
3053100 | September 1962 | Luhm |
3837409 | September 1974 | Consoli et al. |
3876015 | April 1975 | Kivela |
- Chicago Pneumatic advertisement; Needle Scaler model #CP456L-N1. Nitto Kohki Co., Ltd. "Jet Chisel" brochure, model JEX-28.
Patent History
Patent number: D292368
Type: Grant
Filed: Jun 6, 1984
Date of Patent: Oct 20, 1987
Inventor: Toshio Mikiya (Setagaya-ku, Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: C. E. Heflin
Law Firm: Birch, Stewart, Kolasch & Birch
Application Number: 6/617,891
Type: Grant
Filed: Jun 6, 1984
Date of Patent: Oct 20, 1987
Inventor: Toshio Mikiya (Setagaya-ku, Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: C. E. Heflin
Law Firm: Birch, Stewart, Kolasch & Birch
Application Number: 6/617,891
Classifications
Current U.S. Class:
D 8/61;
D 8/67