Loud speaker system for emergency vehicles

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Information

Patent Grant
D346601

References
Source

Patent Number
D346,601
Date Filed
Monday, March 16, 1992
33 years ago
Date Issued
Tuesday, May 3, 1994
31 years ago

Inventors
- Harold W. Lyons
Original Assignees
- Whelen Technologies, Inc.
Examiners
- Ansher; Bernard
- Morris; Sandra
Agents
- Chilton, Alix & Van Kirk

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- 381 86
- 381 87
- 181 141
- 181 143
- 181 152
- 181 188
- D14 185
- D14 204
- D14 207-216
- D14 219-224
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a loud speaker system for emergency vehicles, as shown and described.

US Referenced Citations (11)

Number	Name	Date	Kind
D182351	Avedon	Mar 1958
D212537	Banks	Oct 1968
D241553	Renkus	Sep 1976
D250711	Persson et al.	Jan 1979
D334934	Hsieh	Apr 1993
1853955	Blattner	Apr 1932
2145318	Schenk et al.	Jan 1939
2869669	Leslie	Jan 1959
4178473	Vermeren	Dec 1979
4635039	Gosswiller	Jan 1987
4718372	Wheeler	Jan 1988

Non-Patent Literature Citations (1)

Entry
JC Whitney & Co. catalog, p. 25 "Mobile PA System", top.