Compass-rose scale

Description

The FIGURE is a top plan view of a compass-rose scale showing my new design, the scale being conventionally of no appreciable thickness, and the bottom being flat, plain, and unornamented.

Referenced Cited
U.S. Patent Documents
D7837 November 1874 Baker
D22723 August 1893 Townsend
D218342 August 1970 Rice
D220209 March 1971 Brigham
D243072 January 18, 1977 Spinosa
615604 December 1898 Vieira de Bem
2003179 May 1935 Faus
2046635 July 1936 Kamdron
Other references
  • Skin Diver, 4/71, p. 16, compass at lower left.
Patent History
Patent number: D252560
Type: Grant
Filed: Jun 23, 1977
Date of Patent: Aug 7, 1979
Assignee: Aktiebolaget Instrument Verken (Sollentun)
Inventor: Jonas Lonnroth (Stockholm)
Primary Examiner: Nelson C. Holtje
Attorney: Norman F. Oblon
Application Number: 5/809,275
Classifications
Current U.S. Class: Element Or Attachment (4) (D10/74); Compass (8) (D10/68)
International Classification: D1004;