Back-up warning signal

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Information

Patent Grant
D336864

References
Source

Patent Number
D336,864
Date Filed
Thursday, October 31, 1991
32 years ago
Date Issued
Tuesday, June 29, 1993
31 years ago

Inventors
- Mark P. Gottlieb
Original Assignees
- DESIGNTECH INTERNATIONAL, INC.
Examiners
- Burke; Wallace R.
- Jackson; Marcus

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 104
- D10 106
- D10 114
- D10 115
- D10 121
- 340 4255
- 340 427
- 340 435
- 340 472
- D26 2
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for back-up warning signal, as shown and described.

US Referenced Citations (4)

Number	Name	Date	Kind
D288676	Dewhurst	Mar 1987
D309193	Chakrabarti et al.	Jul 1990
3916377	Demeter	Oct 1975
4713732	Schamblin	Dec 1987