Combined transmitter and receiver for a door chime

Description

FIG. 1 is a front elevational view of a combined transmitter and receiver for a door chime showing my new design;

FIG. 2 is a rear elevational view of the transmitter thereof;

FIG. 3 is a left side elevational view of the transmitter, the right side being a mirror image thereof;

FIG. 4 is a top plan view of the transmitter thereof;

FIG. 5 is a bottom plan view of the transmitter thereof;

FIG. 6 is a rear elevational view of the receiver thereof;

FIG. 7 is a left side elevational view of the receiver thereof;

FIG. 8 is a right side elevational view of the receiver thereof; and,

FIG. 9 is a top plan view of the receiver, the bottom plan view being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D201593 July 1965 Stevenson
D275088 August 14, 1984 Kachi et al.
D281865 December 24, 1985 Abel
D294471 March 1, 1988 Levin et al.
4837559 June 6, 1989 Green, Sr.
Patent History
Patent number: D344036
Type: Grant
Filed: Apr 29, 1992
Date of Patent: Feb 8, 1994
Assignee: John Manufacturing Limited (Kowloon)
Inventor: John S. Yuen (Kowloon)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Law Firm: Fay, Sharpe, Beall, Fagan, Minnich & McKee
Application Number: 7/875,133
Classifications
Current U.S. Class: Bell Or Chime (D10/118)