Digital depth meter

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Information

Patent Grant
D281309

References
Source

Patent Number
D281,309
Date Filed
Monday, April 25, 1983
41 years ago
Date Issued
Tuesday, November 12, 1985
39 years ago

Inventors
Original Assignees
- Signet Scientific Company
Examiners
- Ansher; Bernard
- Pfeffer; Terry
Agents
- Pretty, Schroeder, Brueggemann & Clark

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 46
- D10 70
- 367 107
- 367 108
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a digital depth meter, substantially as shown and described.

US Referenced Citations (6)

Number	Name	Date	Kind
D191581	Scharfenberg et al.	Oct 1961
D222941	Knutson	Feb 1972
3696384	Lester	Oct 1972
3733582	Eck et al.	May 1973
4205395	Shortridge	May 1980
4413518	Jones	Nov 1983

Non-Patent Literature Citations (1)

Entry
Power Boat & Fishing Instruments Buyers Guide, 1/82, pp. 43-53, Digital Depth Sounder.