Compass heading display

- Sperry Corporation
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Description

FIG. 1 is a front elevational view of a compass heading display showing our new design;

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

The top, bottom, and rear of the display are substantially flat, plain and unornamented.

Referenced Cited
U.S. Patent Documents
D135533 April 1943 Braddon
D139426 November 1944 Heintz
D250097 October 31, 1978 Hendershot
D257832 January 13, 1981 Flint
D259924 July 21, 1981 Bergkvist
3525091 August 1970 Lally
3609750 September 1971 Budd
3689835 September 1972 Bickford
3726250 April 1973 Merk
Other references
  • Popular Mechanics-11/78-p. 38-Compass at bottom right.
Patent History
Patent number: D272608
Type: Grant
Filed: Oct 30, 1981
Date of Patent: Feb 14, 1984
Assignee: Sperry Corporation (New York, NY)
Inventors: Charles R. Wesner (Crozet, VA), Gregory Schluge (Afton, VA)
Primary Examiner: Nelson C. Holtje
Attorney: Howard P. Terry
Application Number: 6/316,588
Classifications
Current U.S. Class: Element Or Attachment (4) (D10/74); Angle Or Direction (7) (D10/65); Aircraft Instrument (D10/67); Compass (8) (D10/68)
International Classification: D1004;