Calculator

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Description

FIG. 1 is a front perspective view from above of a calculator embodying my new and ornamental design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a rear perspective view thereof from above.

Referenced Cited
U.S. Patent Documents
D97263 October 1935 Conover
D222893 January 1972 Neumann et al.
D227511 June 1973 Spilewski et al.
D263603 March 30, 1982 McGourty
D277108 January 8, 1985 Lundquist
D289905 May 19, 1987 Goldring
1405847 February 1922 Johnson
1439936 December 1922 Wyckoff
1681740 August 1928 Meyers
3419973 January 1969 Manotas et al.
3747846 July 1973 Long
Foreign Patent Documents
815269 October 1951 DEX
Patent History
Patent number: D349919
Type: Grant
Filed: May 28, 1991
Date of Patent: Aug 23, 1994
Assignee: The University Court of the University of Dundee (Dundee)
Inventor: Hugh D. Tunstall-Pedoe (Dundee)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Robert M. Spear
Law Firm: Mason, Fenwick & Lawrence
Application Number: 7/728,052
Classifications
Current U.S. Class: Rotary (D18/10)