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Patent
   D258664
Priority
Apr 14 1978
Filed
Oct 13 1978
Issued
Mar 24 1981
Expiry
Mar 24 1995
Inventors
Bellini, M…
Assg.orig
Ing. C. Ol…
Assg.curr
Ing. C. Ol…
Entity
unknown
Referenced by
5
References
4
Maint.:
n/a
The ornamental design for a desk top calculator, substantially as shown and described.

FIG. 1 is a perspective view taken from the front, top and right of a desk top calculator showing my new design;

FIG. 2 is a perspective view taken from rear, top and left thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;
INVENTORS:

Bellini, Mario

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D264978, Mar 14 1980 Oki Electric Industry Co., Ltd. Printing device
D281781, Sep 22 1982 Thomson-Brandt Computer
D290373, Jul 18 1984 Sharp Corporation Electronic calculator
D290969, Nov 22 1984 Minolta Camera K.K.; Minnesota Mining & Manufacturing Co. Remote controller for a printer
D329450, Mar 26 1990 TA Triumph-Adler Calculator
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
226485,
227472,
236132,
D242721, Aug 26 1974 Sperry Rand Corporation Electronic calculator
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 13 1978Ing. C. Olivetti & C., S.p.A.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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