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Patent
   D249090
Priority
Mar 18 1976
Filed
Mar 18 1976
Issued
Aug 22 1978
Expiry
Aug 22 1992
Inventors
LaCelle, L…
Assg.orig
Hewlett-Pa…
Assg.curr
Hewlett-Pa…
Entity
unknown
Referenced by
2
References
2
Maint.:
n/a
The ornamental design for a casing for an electronic calculator, as shown and described.

FIG. 1 is a front perspective view of a casing for an electronic calculator;

FIG. 2 is a side elevational view of the casing of FIG. 1.

The rear and bottom surfaces of the casing are flat and unornamented.
INVENTORS:

LaCelle, LeRoy J.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D306705, Sep 17 1987 Dicon Systems Limited Central monitor
D597590, Mar 09 2006 Addacus Limited Self-correcting abacus
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
233799,
234466,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 18 1976Hewlett-Packard Company(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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