Hand pump

Description

FIG. 1 is a rear elevational view of the hand pump showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a perspective view thereof;

FIG. 7 is a rear elevational view of a modified form of the hand pump shown in FIG. 1;

FIG. 8 is a left side elevational view of FIG. 7;

FIG. 9 is a top plan view of FIG. 7;

FIG. 10 is a bottom plan view of FIG. 7;

FIG. 11 is a front elevational view of FIG. 7;

FIG. 12 is a perspective view of FIG. 7.

Referenced Cited
U.S. Patent Documents
D170387 September 1953 Russell
2880939 April 1959 Esmall
2883939 April 1959 Russell
3006282 October 1961 Sison
3124080 March 1964 Sison
3669575 June 1972 Beckerer
Patent History
Patent number: D255826
Type: Grant
Filed: Feb 22, 1977
Date of Patent: Jul 8, 1980
Assignee: Spartan Labs, Inc. (Houston, TX)
Inventors: Ethan A. Stout (Houston, TX), Jerry W. Reinsch (Houston, TX)
Primary Examiner: James R. Largen
Law Firm: Arnold, White & Durkee
Application Number: 5/770,450
Classifications
Current U.S. Class: D23/15
International Classification: D2301;