Fluid-powered hand punch

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Description

FIG. 1 is a perspective view of the fluid-powered hand punch showing my new design with the power cord shown broken away to depict indeterminate length;

FIG. 2 is an enlarged rear elevational view thereof;

FIG. 3 is an enlarged end elevational view thereof;

FIG. 4 is an enlarged front elevational view thereof;

FIG. 5 is an enlarged side elevational view thereof, the opposite side being a mirror image.

Referenced Cited
U.S. Patent Documents
D202377 September 1965 Broske et al.
2140214 December 1938 Temple, Jr.
2374400 April 1945 Westervelt
3008234 November 1961 Mattera
3372481 March 1968 Skinner
4063412 December 20, 1977 Bruzek
Foreign Patent Documents
897355 October 1953 DEX
Other references
  • N.C.G. Co. advertisement brochure for "Spottle T-575" Air Drill.
Patent History
Patent number: D287566
Type: Grant
Filed: Jan 6, 1984
Date of Patent: Jan 6, 1987
Inventor: Michael J. Chouinard (Milton, MA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: C. E. Heflin
Law Firm: Bromberg, Sunstein & McGregor
Application Number: 6/568,579
Classifications
Current U.S. Class: D 8/61