Transmitter for a summoning system

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Description

FIG. 1 is a top and front perspective view of a transmitter for a summoning system showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a botom plan view thereof.

Referenced Cited
U.S. Patent Documents
D223764 June 1972 Gorman
D243537 March 1, 1977 Wahl
D297737 September 20, 1988 Vosburgh
D304309 October 31, 1989 Vories
D306583 March 13, 1990 Drolopp et al.
D325578 April 21, 1992 Daido et al.
Patent History
Patent number: D331927
Type: Grant
Filed: Mar 28, 1990
Date of Patent: Dec 22, 1992
Inventor: Michael J. R. Birri (Sanford, FL)
Primary Examiner: Theodore M. Shooman
Law Firm: Finnegan, Henderson, Farabow, Garrett and Dunner
Application Number: 7/500,279
Classifications
Current U.S. Class: Radio Transmitter (6) (D14/155)