Personal security alarm

- Lifeline Systems, Inc.
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Description

FIG. 1 is a front elevational view of a personal security alarm showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a left side elevational view thereof, with the opposite side being a mirror image.

Referenced Cited
U.S. Patent Documents
D260008 July 28, 1981 Wistrand
D283806 May 13, 1986 Harris
D307273 April 17, 1990 Carlile
D307739 May 8, 1990 Grant
D310219 August 28, 1990 Carlile
D311349 October 16, 1990 Walsh
D318246 July 16, 1991 Schwartz
D332756 January 26, 1993 Taylor
4418337 November 29, 1983 Bader
Foreign Patent Documents
2918494 November 1980 DEX
2193061A January 1988 GBX
2200517A August 1988 GBX
Patent History
Patent number: D338844
Type: Grant
Filed: Feb 11, 1992
Date of Patent: Aug 31, 1993
Assignee: Lifeline Systems, Inc. (Watertown, MA)
Inventors: Vincent J. Savio (Roslindale, MA), David J. Privitera (Georgetown, MA), Brian J. Matt (Boston, MA), David L. Adriaansen (Boston, MA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/833,899
Classifications
Current U.S. Class: D10/106