Personal security alarm

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Information

Patent Grant
D338844

References
Source

Patent Number
D338,844
Date Filed
Tuesday, February 11, 1992
32 years ago
Date Issued
Tuesday, August 31, 1993
31 years ago

Inventors
Original Assignees
- Lifeline Systems, Inc.
Examiners
- Burke; Wallace R.
- Jackson; Marcus
Agents
- Weingarten, Schurgin, Gagnebin & Hayes

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 104
- D10 106
- D10 121
- 340 540
- 340 541
- 340 546
- 340 547
- 340 571
- 340 572
- 340 573
- 340 574
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a personal security alarm, as shown and described.

US Referenced Citations (9)

Number	Name	Date	Kind
D260008	Wistrand	Jul 1981
D283806	Harris	May 1986
D307273	Carlile	Apr 1990
D307739	Grant	May 1990
D310219	Carlile	Aug 1990
D311349	Walsh	Oct 1990
D318246	Schwartz	Jul 1991
D332756	Taylor	Jan 1993
4418337	Bader	Nov 1983

Foreign Referenced Citations (3)

Number	Date	Country
2918494	Nov 1980	DEX
2193061A	Jan 1988	GBX
2200517A	Aug 1988	GBX