Calculator with perpetual calendar

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Description

FIG. 1 is a perspective view of the calculator with perpetual calendar in a closed state showing the new design;

FIG. 2 is a front view of the new design in a closed state;

FIG. 3 is a rear view of the new design in a closed state;

FIG. 4 is a left side view of the new design in a closed state;

FIG. 5 is a right view of the new design in a closed state;

FIG. 6 is a top view of the new design in a closed state;

FIG. 7 is a bottom view of the new design in a closed state;

FIG. 8 is a perspective view of the new design in an opened state;

FIG. 9 is a front view of the new design in an opened state;

FIG. 10 is a rear view of the new design in an opened state;

FIG. 11 is a left side view of the new design in an opened state;

FIG. 12 is a right view of the new design in an opened state;

FIG. 13 is a top view of the new design in an opened state; and,

FIG. 14 is a bottom view of the new design in an opened state.

Referenced Cited
U.S. Patent Documents
D147742 October 1947 Bowers
D163586 June 1951 Dingeldein
D274798 July 24, 1984 O'Hara et al.
D292710 November 10, 1987 Woods
D352664 November 22, 1994 Peersmann
D363881 November 7, 1995 Yung
D366621 January 30, 1996 George et al.
D427629 July 4, 2000 Chu et al.
D427630 July 4, 2000 Chu et al.
3827168 August 1974 Mori
5480118 January 2, 1996 Cross
Patent History
Patent number: D434070
Type: Grant
Filed: May 19, 2000
Date of Patent: Nov 21, 2000
Assignee: Limax Electronics Co., Ltd. (Taipei)
Inventors: Min-Hua Lin (Taipei), William H. K. Chu (Taipei)
Primary Examiner: Martie K. Holtje
Law Firm: Bacon & Thomas, PLLC
Application Number: 0/123,482