Patent
   D272050
Priority
May 26 1981
Filed
May 26 1981
Issued
Jan 03 1984
Expiry
Jan 03 1998
Assg.orig
Entity
unknown
10
42
n/a
The ornamental design for a control unit housing for an electrical protection system, as shown and described.

FIG. 1 is a front elevation view of a control unit housing for an electrical protection system embodying our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a front perspective view thereof.

Gibbs, Terence E., Wagner, Walter

Patent Priority Assignee Title
D276156, Jun 02 1982 Dart Industries Inc. Combination telephone, remote control device, and security device
D281500, Nov 30 1982 Sharp Corporation Interphone
D281501, Nov 30 1982 Sharp Corporation Interphone
D294232, Jan 04 1985 Kabushiki Kaisha Toshiba Alarm display processor
D297128, Aug 01 1985 SENTROL, INC Alarm display
D523438, Oct 12 2004 CIENA LUXEMBOURG S A R L ; Ciena Corporation Optical network element panel
D630538, Oct 22 2009 Nohmi Bosai Ltd. Fire alarm panel
D656050, Nov 03 2009 Security housing
D856181, Jan 18 2018 Honeywell International Inc. Control enclosure
D862268, Dec 14 2017 Honeywell International Inc. Control enclosure
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D249248, Feb 14 1977 ADT DIVERSIFIED SERVICES, INC , Control unit housing for an electrical protection system
D249249, Feb 14 1977 ADT DIVERSIFIED SERVICES, INC , Control unit housing for an electrical protection system
D249891, Dec 06 1976 CREDITANSTALT-BANKVEREIN Oxygen analyzer housing
D249945, Jul 06 1976 Saab-Scania Aktiebolag Front panel for a computer or similar article
D250019, Apr 13 1977 International Business Machines Corporation Central processor unit for a data processing system
D251485, Apr 27 1977 Napco Security Systems, Inc. Pulse code transmitter or similar article
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 15 1981GIBBS, TERENCE E American District Telegraph CompanyASSIGNMENT OF ASSIGNORS INTEREST 0038900871 pdf
May 22 1981WAGNER, WALTERAmerican District Telegraph CompanyASSIGNMENT OF ASSIGNORS INTEREST 0038900871 pdf
May 26 1981American 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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