Prism clock

- By Design Corporation
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Description

FIG. 1 is a left, front perspective view of a prism clock showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D240661 July 1976 Fujiwara
D241772 October 1976 Igo
D250252 November 14, 1978 Booty
D254980 May 13, 1980 White
D255106 May 27, 1980 Bodenrader
D268011 February 22, 1983 Bryk
D270522 September 13, 1983 Cook
Patent History
Patent number: D302528
Type: Grant
Filed: Sep 29, 1986
Date of Patent: Aug 1, 1989
Assignee: By Design Corporation (Cambridge, MA)
Inventor: Douglas Ritchie (Stowe, MA)
Primary Examiner: Nelson C. Holtje
Law Firm: Wolf, Greenfield, & Sacks
Application Number: 6/912,612