Combined clipboard and calculator

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Description

FIG. 1 is a front elevational view of a combined clipboard and calculator showing our new design, the writing instrument depicted by means of broken lines being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D284678 July 15, 1986 Shamoon
D284976 August 5, 1986 Hung
D296220 June 14, 1988 Hung
D318881 August 6, 1991 Chase
D331076 November 17, 1992 Montgomery
D333162 February 9, 1993 Baker
D341626 November 23, 1993 Rosmarin, Jr. et al.
4153927 May 8, 1979 Owens
4586730 May 6, 1986 Shulyak
4892334 January 9, 1990 Sinclair
5154330 October 13, 1992 Haynes
Other references
  • Brochure distributed by American Inventors Corporation approximately during Aug. 1992. Handbook of Designs and Devices 1946, see p. 52, #468 circled lower right.
Patent History
Patent number: D359074
Type: Grant
Filed: May 16, 1994
Date of Patent: Jun 6, 1995
Inventors: David S. Tatham (Shingle Springs, CA), Chris R. Tatham (Shingle Springs, CA)
Primary Examiner: Martie Thompson
Application Number: 0/22,965