Intercommunication apparatus

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Information

Patent Grant
D274518

References
Source

Patent Number
D274,518
Date Filed
Monday, February 22, 1982
42 years ago
Date Issued
Tuesday, July 3, 1984
40 years ago

Inventors
- Peter J. Doodson
Original Assignees
- Philips Company
Examiners
- Ansher; Bernard
Agents
- Schneider; Rolf E.

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- 014 53
- 014 92
- 014 58
- 014 56
- 179 178
- 179 179
- 179 100 D
- 179 100 R
- 179 84
- 179 100 L
- 340 365 R
- 361 331-334
- 361 391-394
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an intercommunication apparatus, as shown.

Priority Claims (1)

Number	Date	Country	Kind
56037-00	Sep 1981	XBX

US Referenced Citations (5)

Number	Name	Date	Kind
D168614	Floria	Jan 1953
D199677	Mattingly	Dec 1964
D244469	Buchin	May 1977
D269780	Doodson	Jul 1983
3976995	Sebestyen	Aug 1976