Portable sonar unit for fishermen

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Description

FIG. 1 is a front elevational view of a portable sonar unit for fishermen showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being a mere image thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a top left rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D191581 October 1961 Scharfenberg
D222941 February 1972 Knutson
3747413 July 1973 Barrett
Other references
  • Electronics World -- June 1960 -- p. 30 -- Depth Meters at right. Radio-Electronics -- July 1960 -- p. 29 -- "FM Transmitter" at left.
Patent History
Patent number: D244434
Type: Grant
Filed: Jun 9, 1975
Date of Patent: May 24, 1977
Assignee: Lowrance Electronics, Inc. (Tulsa, OK)
Inventor: John C. Moore (Tulsa, OK)
Primary Examiner: Nelson C. Holtje
Attorney: James R. Head
Application Number: 5/585,318
Classifications
Current U.S. Class: Measuring, Regulating Or Indicating Instrument, Or Casing (D10/46)
International Classification: D1004;