Pneumatic actuator for an electrical switch
Niemczura , et al. September 15, 1
U.S. patent number D329,424 [Application Number 07/619,717] was granted by the patent office on 1992-09-15 for pneumatic actuator for an electrical switch. This patent grant is currently assigned to Tridelta Industries. Invention is credited to Karen A. Davis, Raymond J. Niemczura, Victor M. Selig.
| United States Patent | D329,424 |
| Niemczura , et al. | September 15, 1992 |
Pneumatic actuator for an electrical switch
Claims
The ornamental design for a pneumatic actuator for an electrical switch, as shown and described.
| Inventors: | Niemczura; Raymond J. (Mentor, OH), Selig; Victor M. (Cleveland Heights, OH), Davis; Karen A. (Mentor, OH) |
|---|---|
| Assignee: | Tridelta Industries (Mentor,
OH) |
| Appl. No.: | 07/619,717 |
| Filed: | November 29, 1990 |
| Current U.S. Class: | D13/174 |
| Field of Search: | ;D13/173,174 ;D7/562 ;D9/300,301,302,406 ;D15/7 ;D16/219 ;D21/91,93 ;D23/366 ;239/355,362,363 ;446/180,181,485 ;200/43.18,61.25,331 |
References Cited [Referenced By]
U.S. Patent Documents
| D31892 | November 1899 | Downey |
| D69040 | December 1925 | Loomis |
| D86627 | March 1932 | Newton |
| D219028 | October 1970 | Miller et al. |
| D301332 | May 1989 | Schwartz |
| 2755132 | July 1956 | Croce |
| 2779628 | January 1957 | Croce |
| 2864367 | December 1958 | Mende |
| 4496811 | January 1985 | Irwin |
Other References
|
Oval shaped key chain ornaments on p. 395 of Hong Kong Enterprise, Oct. 1989.. |
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Sincavage; J.
Attorney, Agent or Firm: Hochberg; D. Peter Kusner; Mark Weisz; Louis J.
Description
FIG. 1 is a top plan view of a pneumatic actuator for an electrical switch showing our new design;
FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image;
FIG. 3 is a right side elevational view thereof, the left side elevational view thereof being a mirror image; and,
FIG. 4 is a bottom plan view thereof.
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