Combined pocket watch and calculator

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Description

FIG. 1 is a front elevational view of a combined pocket watch and calculator showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D60532 March 1922 Gruen
D138444 August 1944 Smoleroff
D247701 April 11, 1978 Kwon
3738099 June 1973 Tanaka
3928960 December 1975 Reese
4041295 August 9, 1977 Ido
4062181 December 13, 1977 Zurcher
Other references
  • Jeweler's Circular Keystone -9/78-p. 122-Calander Watches. European Jeweler (D. G.Z.)-11/77 p. 78-Calander Watch at top-right. Form-8/11/76-p. 42-Watch at middle-left.
Patent History
Patent number: D259106
Type: Grant
Filed: Sep 25, 1978
Date of Patent: May 5, 1981
Inventor: Donald J. Day (Dallas, TX)
Primary Examiner: Nelson C. Holtje
Law Firm: Head & Johnson
Application Number: 5/945,572
Classifications
Current U.S. Class: Combined (D10/31)
International Classification: D1002;