Modular control unit housing for an electrical protection system

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Description

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

FIG. 2 is a front elevation of the housing of FIG. 1 on an enlarged scale;

FIG. 3 is a side elevation as viewed from the right side of FIG. 2 on an enlarged scale;

FIG. 4 is a top plan view of the housing of FIG. 1 on an enlarged scale;

FIG. 5 is a rear elevation of the housing of FIG. 1 on an enlarged scale;

FIG. 6 is a bottom plan view of the housing of FIG. 1 on an enlarged scale;

FIG. 7 is a side elevation as viewed from the left side of FIG. 2 on an enlarged scale;

FIG. 8 is a front perspective view of a modular control unit housing for an electrical protection system showing a second embodiment of my new design;

FIG. 9 is a front elevation of the housing of FIG. 8 on an enlarged scale;

FIG. 10 is a front perspective view of a modular control unit housing for an electrical protection system showing a third embodiment of my new design;

FIG. 11 is a front elevation of the housing of FIG. 10 on an enlarged scale;

FIG. 12 is a front perspective view of a modular control unit housing for an electrical protection system showing a fourth embodiment of my new design; and

FIG. 13 is a front elevation of the housing of FIG. 12 on an enlarged scale .

Referenced Cited
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Other references
  • BRK Electronics Bulletin, 8-1975, Fire Alarm Control Panel. Electrical Consultant, 5/6-1977, p. 6-Alarm Control Cabinet. Electrical Consultant 5/6-1978, p. 27, Sync-Scan Scanner/Annunciator. Electrical Consultant, 3/4-1978, p. 40-Power Monitor. Arrowhead Enterprises Inc., Brochure for Series S4400 "2 to 14 Zone Control Central Instrument" (Copyright 1978). American District Telegraph Company, Technical Bulletin "TA-7153-003/G" (Mar. 1978), p. 3. Contronic Brochure, "MD-425 Ultrasonic System" (Aug. 1980).
Patent History
Patent number: D271099
Type: Grant
Filed: Jul 30, 1979
Date of Patent: Oct 25, 1983
Assignee: American District Telegraph Company (New York, NY)
Inventor: Terence E. Gibbs (Pomona, NY)
Primary Examiner: Susan J. Lucas
Attorney: Thomas L. Giannetti
Application Number: 6/62,005
Classifications
Current U.S. Class: D13/12; D13/40
International Classification: D1303;