Portable emergency alarm transmitter

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Information

Patent Grant
D277465

References
Source

Patent Number
D277,465
Date Filed
Monday, January 10, 1983
41 years ago
Date Issued
Tuesday, February 5, 1985
39 years ago

Inventors
- John B. MacDonald
Original Assignees
- Lifeline Systems, Inc.
Examiners
- Bullock; B. J.
- Gitlin; Suzanne N.
Agents
- Weingarten, Schurgin, Gagnebin & Hayes

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 104
- D10 106
- D10 121
- 340 574
- 340 539
- 340 593
- 340 693
- D10 15
- D10 38
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a portable emergency alarm transmitter, as shown.

US Referenced Citations (4)

Number	Name	Date	Kind
D229085	Lutenegger	Nov 1973
D269951	Eberhardt et al.	Aug 1983
4004228	Mullett	Jan 1977
4300129	Cataldo	Nov 1981

Non-Patent Literature Citations (1)

Entry
Jewelers' Circular--Keystone, 7/78, p. 153, Omega Watches--bottom left.