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
2592649 April 1952 Brackett
3053100 September 1962 Luhm
3837409 September 1974 Consoli et al.
3876015 April 1975 Kivela
Other references
  • 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
Classifications
Current U.S. Class: D 8/61; D 8/67