Portable signalling transmitter for disabled persons

Description

FIG. 1 is a top plan view of a portable signalling transmitter for disabled persons showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top perspective view thereof.

Referenced Cited
U.S. Patent Documents
D193596 September 1962 Waltman
D198956 August 1964 Kress
D223926 June 1972 Kahn
D224785 September 1972 Dean, Jr.
D225905 January 1973 Lincoln
D239706 April 1976 Baileen
D273848 May 15, 1984 Monahan
3226705 December 1965 Kaufman et al.
3797006 March 1974 Reininger
Patent History
Patent number: D314718
Type: Grant
Filed: Jul 8, 1988
Date of Patent: Feb 19, 1991
Inventor: Bill McWilliams (Redwood Valley, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Attorney: Leon Gilden
Application Number: 7/241,560
Classifications
Current U.S. Class: D10/106