Air driven diaphragm pump
Wilden March 29, 1
U.S. patent number D294,947 [Application Number 06/638,054] was granted by the patent office on 1988-03-29 for air driven diaphragm pump. This patent grant is currently assigned to Wilden Pump & Engineering Co.. Invention is credited to James K. Wilden.
| United States Patent | D294,947 |
| Wilden | March 29, 1988 |
Air driven diaphragm pump
Claims
The ornamental design for an air driven diaphragm pump, as shown and described.
| Inventors: | Wilden; James K. (Yucaipa, CA) |
|---|---|
| Assignee: | Wilden Pump & Engineering
Co. (Colton, CA) |
| Appl. No.: | 06/638,054 |
| Filed: | August 6, 1984 |
| Current U.S. Class: | D15/7 |
| Field of Search: | ;D15/7,9 ;417/393-394,395-397,423,454,535-537,236-237 ;418/20 ;92/128,98R |
References Cited [Referenced By]
U.S. Patent Documents
| D264972 | June 1982 | McMillin et al. |
| 268413 | March 1983 | Wilden |
| D271395 | November 1983 | Credle, Jr. |
| 275858 | October 1984 | Wilden |
| 3782863 | November 1974 | Rupp |
| 3791768 | February 1974 | Wanner |
| 3849033 | November 1974 | Schan |
| 4247264 | January 1981 | Wilden |
| 4406595 | September 1983 | Robertson et al. |
| 4478560 | October 1984 | Rupp |
Other References
|
Photograph of the Wilden Pump M8 (undated).. |
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Vinson; Brian N.
Attorney, Agent or Firm: Lyon & Lyon
Description
FIG. 1 is a front elevational view of an air driven diaphragm pump showing my new design;
FIG. 2 is a side elevational view thereof, the opposite side being identical in appearance;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a top perspective view thereof.
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