Calculator

Latest C. van Ijsselmuide Electronic Business Gifts B.V. Patents:

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a left side elevational view of a calculator showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left perspective view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left perspective view thereof showing the display; and,

FIG. 6 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D269278 June 7, 1983 Yoshioka et al.
D303121 August 29, 1989 Sakaguchi et al.
D307917 May 15, 1990 Chen
D378826 April 15, 1997 Dijkstra
Other references
  • Guernsey Office Supply Catalog; p. 437 C5; Scientific Calculator item "I" bottom right of page, .COPYRGT.1998.
Patent History
Patent number: D401268
Type: Grant
Filed: Jan 10, 1997
Date of Patent: Nov 17, 1998
Assignee: C. van Ijsselmuide Electronic Business Gifts B.V. (Capelle a/d Ijssel)
Inventor: Nikolai Carels (Amsterdam)
Primary Examiner: Caron D. Veynar
Law Firm: Cooper & Dunham LLP
Application Number: 0/64,748
Classifications
Current U.S. Class: With Keyboard (D18/7)
International Classification: 1801;