Air driven diaphragm pump
Wilden December 1, 1
U.S. patent number D331,412 [Application Number 07/434,761] was granted by the patent office on 1992-12-01 for air driven diaphragm pump. This patent grant is currently assigned to Wilden Pump & Engineering Co.. Invention is credited to deceased Wilden.
| United States Patent | D331,412 |
| Wilden | December 1, 1992 |
Air driven diaphragm pump
Claims
The ornamental design for an air driven diaphragm pump, as shown and described.
| Inventors: | Wilden; deceased; James K. (late of Yucaipa, CA) |
|---|---|
| Assignee: | Wilden Pump & Engineering
Co. (Colton, CA) |
| Appl. No.: | 07/434,761 |
| Filed: | November 13, 1989 |
| Current U.S. Class: | D15/7; D15/9 |
| Field of Search: | ;D15/7 ;417/393-394,454,395-397 ;92/128,98R ;418/70 |
References Cited [Referenced By]
U.S. Patent Documents
| D268413 | March 1983 | Wilden |
| D275858 | October 1984 | Wilden |
| D294946 | March 1988 | Wilden |
| D294947 | March 1988 | Wilden |
Other References
|
Graco Inc.--Air Powered 16 GPM Diaphragm Pump (Husky 715) .COPYRGT.1987. . Warren Rupp-Houdaille-1/2" SandPiper Air-Powered Double Diaphragm Non-Metallic Pump (PB1/2-A) .COPYRGT.1988. . ARO Corporation-1/2" Diaphragm Pumps .COPYRGT.1987.. |
Primary Examiner: Word; A. Hugo
Assistant Examiner: Seifert; R.
Attorney, Agent or Firm: Lyon & Lyon
Description
FIG. 1 is a front perspective view of an air driven diaphragm pump showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a side elevational view thereof, the opposite side being identical in appearance;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
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