Patent
   D248419
Priority
Mar 21 1977
Filed
Mar 21 1977
Issued
Jul 04 1978
Expiry
Jul 04 1992
Assg.orig
Entity
unknown
6
1
n/a
The ornamental design for a calculating machine, as shown and described.

FIG. 1 is a perspective view of a calculating machine showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof on a reduced scale, and

FIG. 4 is a rear elevational view thereof on a reduced scale.

Leer, Stuart D., Beitler, Myron

Patent Priority Assignee Title
D254535, Feb 01 1978 Kosmos International Ltd. Combined time clock and biorhythm calculator
D265065, May 12 1980 Powers Medical Systems, Inc. Cardiac pacemaker tester
D278536, Oct 28 1981 GEC PLESSEY TELECOMMUNICATIONS LIMITED , Console for a data terminal
D303956, Jul 31 1986 Computer display terminal
D374029, Aug 28 1995 Calculator
D943661, May 23 2019 HAREX INFOTECH INC Electronic calculator
Patent Priority Assignee Title
233347,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 21 1977Litton Business Systems, Inc.(assignment on the face of the patent)
Oct 16 1984MONROE SYSTEMS FOR BUSINESS, INC A NE CORPMELLON BANK NATIONAL ASSOCIATIONSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0043210976 pdf
Nov 26 1984LITTON BUSINESS SYSTEMS, INC A NY CORPMONROE SYSTEMS FOR BUSINESS, INC A NE CORPASSIGNMENT OF ASSIGNORS INTEREST 0044230130 pdf
Sep 18 1990MONROE SYSTEMS FOR BUSINESS, INC , A CORP OF NVMELLON BANK EAST PSFS NATIONAL ASSOCIATIONSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0056520030 pdf
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