Calculator

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Description

FIG. 1 is a front perspective view of a calculator showing my new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a left side elevational view, thereof and

FIG. 4 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D226858 May 1973 Liljenwall
D236485 August 1975 Mox
Other references
  • Merchandising Week, Jan. 7, 1974, p. 3, Bowmar Calculator, left end upper row.
Patent History
Patent number: D243191
Type: Grant
Filed: Jun 25, 1975
Date of Patent: Jan 25, 1977
Assignee: Sinclair Radionics Limited (Huntington)
Inventor: John Hunter Pemberton (Cambridge)
Primary Examiner: Susie J. Mercer
Assistant Examiner: Catherine Kemper
Law Firm: Lackenbach, Lilling & Siegel
Application Number: 5/590,065
Classifications
Current U.S. Class: D26/5C
International Classification: D1801;