Patent
   D383774
Priority
Apr 30 1996
Filed
Apr 30 1996
Issued
Sep 16 1997
Expiry
Sep 16 2011
Assg.orig
Entity
unknown
4
5
n/a
The ornamental design for a manual calculator, as shown and described.

FIG. 1 is a perspective view showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being identical;

FIG. 5 is a top plan view thereof, the bottom plan view being identical; and,

FIG. 6 is a perspective view thereof with the inner slide card extending partially out from the outer casing.

Winn, Kirk T.

Patent Priority Assignee Title
6283473, Nov 19 1998 Method of operating progressive reel slot machines and device therefor
D561821, Dec 15 2004 EURO-CELTIQUE S A Four-in-one pain scale
D573175, Jun 22 2007 Euro-Celtique S.A. Four-in-one pain scale
D597591, Jun 13 2007 Hadasit Medical Research Services and Development Ltd. Dosage calculator
Patent Priority Assignee Title
3091389,
4028529, Aug 28 1975 Currency exchange calculator
4149330, Apr 18 1977 Digital instant schedule computer
4308450, Dec 22 1978 Baxter International Inc Two-piece slide calculator for determining metabolic requirements and parenteral feeding dosages
224259,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 30 1996WINN, KIRK T Hughes ElectronicsASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0081230550 pdf
Dec 17 1997HE HOLDINGS, INC D B A HUGHES ELECTRONICSRaytheon CompanyMERGER SEE DOCUMENT FOR DETAILS 0269220800 pdf
Jul 30 2012Raytheon CompanyOL SECURITY LIMITED LIABILITY COMPANYASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0292150160 pdf
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