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
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;
International Classification: D2301;