Double diaphragm pump
Wilden October 9, 1
U.S. patent number D275,858 [Application Number 06/383,494] was granted by the patent office on 1984-10-09 for double diaphragm pump. This patent grant is currently assigned to Wilden Pump & Engineering Co.. Invention is credited to James K. Wilden.
| United States Patent | D275,858 |
| Wilden | October 9, 1984 |
Double diaphragm pump
Claims
The ornamental design for a double diaphragm pump, substantially as shown and described.
| Inventors: | Wilden; James K. (Yucaipa, CA) |
|---|---|
| Assignee: | Wilden Pump & Engineering
Co. (Colton, CA) |
| Appl. No.: | 06/383,494 |
| Filed: | June 1, 1982 |
| Current U.S. Class: | D15/7 |
| Field of Search: | ;D15/7,9 ;417/393,394,395 |
References Cited [Referenced By]
U.S. Patent Documents
| D34514 | May 1901 | Worthington |
| D190052 | April 1961 | Bartholomew |
| D194379 | January 1963 | Holtgrieve et al. |
| D240272 | June 1976 | Philpott |
| D268413 | March 1983 | Wilden |
| 3162133 | December 1964 | Smith |
| 3791768 | February 1974 | Wanner |
| 4247264 | January 1981 | Wilden |
Assistant Examiner: Wilder; Lynn
Attorney, Agent or Firm: Lyon & Lyon
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.
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