Loose leaf paper punch

- Taurus Tetraconcepts
Description

FIG. 1 is a perspective view of a loose leaf paper punch showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a side elevational view of the side not shown in FIG. 3;

FIG. 5 is a left end elevational view thereof;

FIG. 6 is a right end elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D289883 May 19, 1987 Penaluna
D292419 October 20, 1987 Camahan
D304417 November 7, 1989 Evenson
D305200 December 26, 1989 Arns et al.
D311669 October 30, 1990 Sato
D320407 October 1, 1991 Lathrop, Jr. et al.
4166404 September 4, 1979 Almog
4405739 September 20, 1983 Salleras Escalante
Patent History
Patent number: D330049
Type: Grant
Filed: May 18, 1989
Date of Patent: Oct 6, 1992
Assignee: Taurus Tetraconcepts (Mountain View, CA)
Inventors: Robert L. Lathrop, Jr. (San Jose, CA), Richard D. Phipps (Morgan Hill, CA), Loren D. Stirling (Pleasanton, CA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Martha Thompson
Law Firm: Skjerven, Morrill, MacPherson, Franklin & Friel
Application Number: 7/353,738
Classifications
Current U.S. Class: Perforating Or Cutting (13) (D19/72); D18/34; D 8/50