Double diaphragm pump

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Description

FIG. 1 is a front elevational view of a double diaphragm pump showing my new design;

FIG. 2 is an elevational view of one side thereof, the other side being a mirror image;

FIG. 3 is a back elevational view thereof; and

FIG. 4 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D34514 May 1901 Worthington
D190052 April 1961 Bartholomew
D194379 January 1963 Holtgrieve et al.
D240272 June 1976 Philpott
D268413 March 29, 1983 Wilden
3162133 December 1964 Smith
3791768 February 1974 Wanner
4247264 January 27, 1981 Wilden
Patent History
Patent number: D275858
Type: Grant
Filed: Jun 1, 1982
Date of Patent: Oct 9, 1984
Assignee: Wilden Pump & Engineering Co. (Colton, CA)
Inventor: James K. Wilden (Yucaipa, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lynn Wilder
Law Firm: Lyon & Lyon
Application Number: 6/383,494
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)