Portable burglar alarm

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Description

FIG. 1 is a right front perspective view of a portable burglar alarm showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a left elevation view thereof; and

FIG. 6 is a rear elevation view thereof.

Referenced Cited
U.S. Patent Documents
D109540 May 1938 Archer
D139719 December 1944 Davis
D245447 August 16, 1977 Brudy et al.
D251878 May 22, 1979 Hade
D253401 November 13, 1979 Benson et al.
Other references
  • Heathkit, 1977, p. 22, Siren 2, # kit GDA-1157-1, bottom left corner, (Box-Signals) & Megaphone/p. 22, Yelp Alarm, Kit GD-1818, top right corner. California House, 1973, p. 2, Chow Table, #201, in upper left corner, box C-26.
Patent History
Patent number: D276709
Type: Grant
Filed: Nov 9, 1981
Date of Patent: Dec 11, 1984
Assignee: Starr Security Systems, Inc. (Loveland, CO)
Inventor: Starr Parker (Loveland, CO)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Suzanne N. Gitlin
Attorney: William E. Hein
Application Number: 6/319,201
Classifications
Current U.S. Class: D10/106; D10/116; Siren Or Horn (D10/120)