Double diaphragm pump
Description
FIG. 1 is a front elevational view of a double diaphragm pump showing my new design;
FIG. 2 is a right side elevational view thereof, the side opposite being substantially a mirror image;
FIG. 3 is a rear elevational view thereof; and,
FIG. 4 is a top plan view thereof.
Referenced Cited
U.S. Patent Documents
D41271 | March 1911 | Smith |
2679209 | May 1954 | Fischer et al. |
3162133 | December 1964 | Smith |
3791768 | February 1974 | Wanner |
Patent History
Patent number: D268413
Type: Grant
Filed: Dec 9, 1980
Date of Patent: Mar 29, 1983
Inventor: James K. Wilden (Yucaipa, CA)
Primary Examiner: Charles A. Rademaker
Law Firm: Lyon & Lyon
Application Number: 6/214,703
Type: Grant
Filed: Dec 9, 1980
Date of Patent: Mar 29, 1983
Inventor: James K. Wilden (Yucaipa, CA)
Primary Examiner: Charles A. Rademaker
Law Firm: Lyon & Lyon
Application Number: 6/214,703
Classifications