Prism clock

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Information

Patent Grant
D302528

References
Source

Patent Number
D302,528
Date Filed
Monday, September 29, 1986
38 years ago
Date Issued
Tuesday, August 1, 1989
35 years ago

Inventors
- Douglas Ritchie
Original Assignees
- By Design Corp.
Examiners
- Holtje; Nelson C.
Agents
- Wolf, Greenfield, & Sacks

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 1-30
- D10 122-126
- 368 82-84
- 368 239-242
- 368 276
- 368 277
- 368 285
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a prism clock, as shown and described.

US Referenced Citations (7)

Number	Name	Date	Kind
D240661	Fujiwara	Jul 1976
D241772	Igo	Oct 1976
D250252	Booty	Nov 1978
D254980	White	May 1980
D255106	Bodenrader	May 1980
D268011	Bryk	Feb 1983
D270522	Cook	Sep 1983