Control unit housing for an electrical protection system

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Description

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.

Referenced Cited
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Other references
  • BRK Electronics Brochure "Fire Alarm Control Panel" Model MCP741 Aug. 29, 1975. Notifier Brochure "Control Panel" MD740 Jan. 1977. "Alarm Control Cabinet," Electrical Consultant (May/Jun. 1977), p. 6. "Sync-Scan Scanner/Annunciator," Electrical Consultant (May/Jun. 1978), p. 27. "Power Monitor," Electrical Consultant (Mar./Apr. 1978), p. 40. Arrowhead Enterprises Inc., Brochure for Series S4400 "2 to 14 Zone Control Central Instrument" (Copyright 1978). American District Telegraph Company (ADT), Technical Bulletin "TA-7153-003/G" (Mar. 1978), p. 3. American District Telegraph Company (ADT) Brochure, "Telabreak Glass Break Detection System" (Copyright 1979). American District Telegraph Company (ADT) Brochure, "Daytime Annunciator Security System" (May 1980). Contronic Brochure, "MD-425 Ultrasonic System" (Aug. 1980). American District Telegraph Company (ADT), Technical Bulletin TA-4520/G (Oct. 1980), p. 3.
Patent History
Patent number: D272050
Type: Grant
Filed: May 26, 1981
Date of Patent: Jan 3, 1984
Assignee: American District Telegraph Company (New York, NY)
Inventors: Terence E. Gibbs (Nyack, NY), Walter Wagner (Dumont, NJ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lynn Wilder
Attorney: Thomas L. Giannetti
Application Number: 6/267,076
Classifications
Current U.S. Class: D10/106; D13/12
International Classification: D1005;