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Publication numberUSD250294 S
Publication typeGrant
Application numberUS 05/760,029
Publication dateNov 14, 1978
Filing dateJan 17, 1977
Publication number05760029, 760029, US D250294 S, US D250294S, US-S-D250294, USD250294 S, USD250294S
InventorsJoseph Rose
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US D250294 S
Abstract  available in
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  1. 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.

Non-Patent Citations
1Computer Design, Mar. 1976, p. 114, Portable Terminal.
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US8528822Dec 3, 2010Sep 10, 2013Wis InternationalHand-held data collector with detachable scanner
US8960552Aug 1, 2013Feb 24, 2015Western Inventory Service Ltd.Hand-held data collector with detachable scanner
USD633501 *Jul 9, 2010Mar 1, 2011Wis InternationalHand-held data collector with removable scanner
USD646282 *Jul 9, 2010Oct 4, 2011Wis InternationalHand-held data collector with removable scanner
USD660297 *Jan 10, 2011May 22, 2012WIS, InternationalCombined hand-held data collector base and detachable scanner
U.S. ClassificationD18/7