Portable hydraulic punching instrument

- Kabushiki Kaisha Ogura
Description

FIG. 1 is a top, front and right side perspective view of a portable hydraulic punching instrument showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view;

FIG. 6 is a rear elevational view; and,

FIG. 7 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
2782855 February 1957 Marcoux
3008234 November 1961 Mattera
3126630 March 1964 Catlin et al.
3924330 December 1975 Mitsuhashi et al.
4468995 September 4, 1984 Mireles-Saldivac
4731929 March 22, 1988 McClure
4786215 November 22, 1988 McClure
Patent History
Patent number: D330714
Type: Grant
Filed: Nov 21, 1989
Date of Patent: Nov 3, 1992
Assignee: Kabushiki Kaisha Ogura
Inventor: Kiyoshi Kimura (Fujisawa)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Attorneys: Bruce L. Adams, Van C. Wilks
Application Number: 7/440,013
Classifications