Digital depth meter

- Signet Scientific Co.
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Description

FIG. 1 is a top, front, left side perspective view of a digital depth meter showing our 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;

FIG. 7 is a front elevational view of a second embodiment of that shown in FIG. 1; and

FIG. 8 is a rear elevational view of that shown in FIG. 7.

Referenced Cited
U.S. Patent Documents
D191581 October 1961 Scharfenberg et al.
D222941 February 1972 Knutson
3696384 October 1972 Lester
3733582 May 1973 Eck et al.
4205395 May 1980 Shortridge
4413518 November 8, 1983 Jones
Other references
  • Power Boat & Fishing Instruments Buyers Guide, 1/82, pp. 43-53, Digital Depth Sounder.
Patent History
Patent number: D281309
Type: Grant
Filed: Apr 25, 1983
Date of Patent: Nov 12, 1985
Assignee: Signet Scientific Co. (El Monte, CA)
Inventors: Rebecca A. Highstreet (Azusa, CA), Raymond G. Shield (West Covina, CA), Nancy A. Jensen (Pasadena, CA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Terry Pfeffer
Law Firm: Pretty, Schroeder, Brueggemann & Clark
Application Number: 6/488,123
Classifications
Current U.S. Class: Linear Or Distance (9) (D10/70)