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Patent
   D250294
Priority
Jan 17 1977
Filed
Jan 17 1977
Issued
Nov 14 1978
Expiry
Nov 14 1992
Inventors
Rose, Jose…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
7
References
2
Maint.:
n/a
The ornamental design for a calculator, substantially as shown and described.

FIG. 1 is a top front perspective view of a calculator showing my new design;

FIG. 2 is a bottom front perspective view thereof;

FIG. 3 is a rear view thereof.

The numerals are shown in broken lines for illustrative purposes only.
INVENTORS:

Rose, Joseph

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
8528822, Jul 09 2010 RETAIL SERVICES WIS CORPORATION Hand-held data collector with detachable scanner
8960552, Jul 09 2010 RETAIL SERVICES WIS CORPORATION Hand-held data collector with detachable scanner
D297429, May 10 1985 International Business Machines Corp. Hand held data entry terminal
D310390, Feb 01 1988 Toyogo, Inc. Electronic game
D633501, Jul 09 2010 RETAIL SERVICES WIS CORPORATION Hand-held data collector with removable scanner
D646282, Jul 09 2010 RETAIL SERVICES WIS CORPORATION Hand-held data collector with removable scanner
D660297, Jan 10 2011 RETAIL SERVICES WIS CORPORATION Combined hand-held data collector base and detachable scanner
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3017088,
236353,
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