Pressure sensitive push button switch
Hallgren , et al. December 12, 1
U.S. patent number D305,022 [Application Number 06/737,353] was granted by the patent office on 1989-12-12 for pressure sensitive push button switch. This patent grant is currently assigned to AbleNet. Invention is credited to Leander Hallgren, Theodore R. Rudy, Cheryl A. Waite.
| United States Patent | D305,022 |
| Hallgren , et al. | December 12, 1989 |
Pressure sensitive push button switch
Claims
The ornamental design for a pressure sensitive push button switch, as shown and described.
| Inventors: | Hallgren; Leander (St. Paul, MN), Rudy; Theodore R. (St. Louis Park, MN), Waite; Cheryl A. (Shoreview, MN) |
|---|---|
| Assignee: | AbleNet (Minneapolis,
MN) |
| Appl. No.: | 06/737,353 |
| Filed: | May 23, 1985 |
| Current U.S. Class: | D13/171 |
| Field of Search: | ;D13/32,35,38 ;200/159R,238-239,293,296-297,303,308,333,340,DIG.25,85R |
References Cited [Referenced By]
U.S. Patent Documents
| D165134 | November 1951 | Burger |
| D184840 | April 1959 | Voorlas |
| D274631 | July 1984 | Smith, III et al. |
| 3083278 | March 1963 | Mukai |
| 3097273 | July 1963 | Denner |
| 3246112 | April 1966 | Adams et al. |
| 4246452 | January 1981 | Chandler |
| 4346276 | August 1982 | Baader |
Other References
|
Technical Aids and Systems for the Handicapped Inc., Pad No. 5805. . Ludwig, A., Dead Man Control Device, Technical Digest No. 1, Jan. 1966. . A Guide to Controls, Children's Hospital at Stanford, pp. 16, 19, 1982. . Dufco Electronics, Inc., Multimode Control Systems, 1984. . Linemaster Switch Corporation, GEM Foot Switch, p. 21.. |
Primary Examiner: Dunkins; Bruce W.
Assistant Examiner: Takemoto; Ruth
Attorney, Agent or Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Description
FIG. 1 is a top perspective view of a pressure sensitive push button switch showing our new design;
FIG. 2 is a side elevational view thereof; and
FIG. 3 is a top plan view thereof.
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