Patent
   D283137
Priority
Jan 25 1983
Filed
Jul 25 1983
Issued
Mar 25 1986
Expiry
Mar 25 2000
Assg.orig
Entity
unknown
13
8
n/a
The ornamental design for a combined calculator and protective case, as shown and described.

FIG. 1 is a top perspective view of a combined calculator and protective case showing my new design;

FIG. 2 is an inverted bottom perspective view thereof with the latch partly open;

FIG. 3 is an inverted bottom rear perspective view of FIG. 1;

FIG. 4 is a top rear perspective view of FIG. 1;

FIG. 5 is a top perspective view thereof in the open position showing both top and bottom surfaces;

FIG. 6 is a left front perspective view with the cover partly open; and

FIG. 7 is a right front perspective view with the cover partly open.

Hamar, Christopher J.

Patent Priority Assignee Title
5530234, Dec 23 1994 HEWLETT-PACKARD DEVELOPMENT COMPANY, L P Hand held calculator having a retractable cover
D304345, Aug 07 1986 NEWELL CO Utility file
D335764, Oct 07 1991 Doskocil Manufacturing Company, Inc. Camera case
D337672, Jun 14 1991 DANIELS S R L Holder for remote controls
D381676, Dec 23 1994 HEWLETT-PACKARD DEVELOPMENT COMPANY, L P Outer surfaces of a retractable cover for a hand held caculator
D581421, Nov 19 2002 Otter Products, LLC PDA case
D611250, Apr 29 2009 Mogomoto Prototype, LLC Case for containing a camera or electronic device
D643433, Oct 14 2010 Cheng Uei Precision Industry Co., Ltd. Sleeve for tablet PC
D647526, Jul 12 2010 Scosche Industries, Inc. Tablet computer case
D704929, Jun 29 2012 Zear Corporation Limited Waterproof case for smart phone
D728237, Mar 18 2013 EJA&A HOLDINGS INC Portable storage container
D940718, Dec 20 2019 Seagate Technology LLC Storage device
D940719, Dec 20 2019 Seagate Technology LLC Storage device
Patent Priority Assignee Title
4071065, Dec 16 1976 One piece container particularly adapted for calculators
4259568, Oct 12 1979 Henning Dynesen A/S Combined casing and operational support for a pocket calculator
4322835, Sep 14 1979 VDO Adolf Schindling AG Housing assembly for instruments
4424899, Mar 08 1982 AT & T TECHNOLOGIES, INC , Instrument carrying case
4458813, Jan 21 1982 CONGRESS FINANCIAL CORPORATION CENTRAL Housing for a video cassette playback machine
236488,
D245455, Nov 20 1975 Xerox Corporation Portable enclosure for electronic equipment
D275822, Jan 30 1982 Thorn Emi Instruments Limited Carrying case for electrical measuring instruments or the like
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 25 1983Zengrange Limited(assignment on the face of the patent)
Dec 14 1983HAMAR, CHRISTOPHER J Zengrange LimitedASSIGNMENT OF ASSIGNORS INTEREST 0042200434 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule