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Patent
   D256133
Priority
Feb 27 1978
Filed
Feb 27 1978
Issued
Jul 29 1980
Expiry
Jul 29 1994
Inventors
LaCelle, L…
Assg.orig
Hewlett-Pa…
Assg.curr
Hewlett-Pa…
Entity
unknown
Referenced by
5
References
4
Maint.:
n/a
The ornamental design for a casing for an electronic calculator, as shown.

FIG. 1 is a front perspective view of a casing for an electronic calculator showing my new design;

FIG. 2 is a rear perspective view thereof.
INVENTORS:

LaCelle, LeRoy J.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D271029, Jan 13 1981 North American Foreign Trading Corporation Quizzer toy
D285689, Mar 19 1984 INTERNATIONAL BUSINESS MACHINES CORPORAION, A NY CORP Display station for a data processing system
D285804, Sep 04 1984 Xerox Corporation Electronic typewriter
D286534, Aug 16 1983 Trans-Lux Corporation Display printer
D632300, Jun 09 2009 PFU Limited Computer terminal
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
196644,
204428,
230405,
238497,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 27 1978Hewlett-Packard Company(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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