Push button door chime

- Bridisco Limited
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Description

FIG. 1 is a top, front and side perspective view of a push button door chime showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof, the rear view being identical; and

FIG. 4 is a side elevational view thereof, the opposite side being identical.

Referenced Cited
U.S. Patent Documents
D121273 July 1940 Davis
D190863 July 1961 Sims
D201801 August 1965 Stevenson
4544811 October 1, 1985 Brevick
4582969 April 15, 1986 Ishiguro
Other references
  • Modern Plastics, 4/1986, p. 91, "Norton Lao, Inc. Bell Chime".
Patent History
Patent number: D302545
Type: Grant
Filed: Mar 30, 1988
Date of Patent: Aug 1, 1989
Assignee: Bridisco Limited (London)
Inventor: John H. Drane (London)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Ruth Takemoto
Law Firm: Diller, Ramik & Wight
Application Number: 7/175,373
Classifications
Current U.S. Class: D13/32