Valved air pump

- Mason & Porter Limited

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Description

FIG. 1 is a front elevational view of a valved air pump embodying my design,

FIG. 2 is a rear elevational view thereof,

FIG. 3 is a right side elevational view thereof,

FIG. 4 is a left side elevational view thereof,

FIG. 5 is a top plan view thereof; and

FIG. 6 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D116252 August 1939 Van Doren et al.
D116253 August 1939 Van Doren et al.
D162502 March 1951 Zimmer, Jr.
D179746 February 1957 Sudmeier
D263302 March 9, 1982 Terajima et al.
Patent History
Patent number: D275395
Type: Grant
Filed: Jun 30, 1980
Date of Patent: Sep 4, 1984
Assignee: Mason & Porter Limited (Mt. Wellington)
Inventor: Gordon H. Boswell (Auckland)
Primary Examiner: James R. Largen
Law Firm: Holman & Stern
Application Number: 6/163,998
Classifications
Current U.S. Class: Compressor (D15/9)