Patent
   D249248
Priority
Feb 14 1977
Filed
Feb 14 1977
Issued
Sep 05 1978
Expiry
Sep 05 1992
Assg.orig
Entity
unknown
8
5
n/a
The ornamental design for a control unit housing for an electrical protection system, as shown and described.

FIG. 1 is a plan view of a control unit housing for an electrical protection system embodying my design;

FIG. 2 is a front elevation of the housing of FIG. 1;

FIG. 3 is a side elevation as viewed from the left side of FIG. 2;

FIG. 4 is a side elevation as viewed from the right side of FIG. 2; and

FIG. 5 is a front perspective view of the housing of FIG. 1.

Gibbs, Terence E.

Patent Priority Assignee Title
D264826, Jan 10 1980 FIRST NATIONAL BANK OF CHICAGO, THE Security system console
D271099, Jul 30 1979 Hughes Electronics Corporation Modular control unit housing for an electrical protection system
D272050, May 26 1981 ADT DIVERSIFIED SERVICES, INC , Control unit housing for an electrical protection system
D276599, Jul 28 1982 Combined musical car horn and security alarm
D294232, Jan 04 1985 Kabushiki Kaisha Toshiba Alarm display processor
D340698, Jul 31 1991 Load Controls, Incorporated Load control
D542817, Apr 15 2005 ENM Company Digital vibration meter
D923667, Mar 26 2018 PHC HOLDINGS CORPORATION Control panel for medical refrigerator
Patent Priority Assignee Title
2916730,
3643244,
3720935,
190994,
228259,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 14 1977American District Telegraph Company(assignment on the face of the patent)
May 13 1986American District Telegraph CompanyADT, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0050770275 pdf
Feb 29 1988ADT, INC ADT SECURITY SYSTEMS, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0050910837 pdf
Dec 31 1988ADT DIVERSIFIED SERVICES, INC ADT SECURITY SYSTEMS, INC ASSIGNMENT OF ASSIGNORS INTEREST 0052080081 pdf
Jan 03 1989ADT SECURITY SYSTEMS, INC ADT DIVERSIFIED SERVICES, INC ,CHANGE OF NAME SEE DOCUMENT FOR DETAILS JANUARY 6, 1989 NEW JERSEY0050910824 pdf
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