Touch dial key pad speaker telephone for a "clean room" or the like

Follow

Information

Patent Grant
D331063

References
Source

Patent Number
D331,063
Date Filed
Thursday, September 20, 1990
34 years ago
Date Issued
Tuesday, November 17, 1992
32 years ago

Inventors
- Bernard B. Pasierb
Original Assignees
- GAI-TRONICS CORPORATION
Examiners
- Fay, Jr.; Horace B.
Agents
- Woodcock Washburn Kurtz Mackiewicz & Norris

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 247
- 379 420
- 379 388
- 379 439
- 379 437
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a touch dial key pad speaker telephone for a "clean room" or the like, as shown and described.

US Referenced Citations (9)

Number	Name	Date	Kind
D238186	Kramer et al.	Dec 1975
D260889	McLean	Sep 1981
D270053	Bosch	Aug 1983
D272346	Kaczkos	Jan 1984
D316549	Hompf	Apr 1991
4439647	Calandrella et al.	Mar 1984
4680790	Packard et al.	Jul 1987
4817164	Bertignolli	Mar 1989
4866764	Barker	Sep 1989

Non-Patent Literature Citations (2)

Entry
Design News Reprint, Aug. 8, 1977; .COPYRGT.1977; Brady front switch panel; p. 3 and reverse side text & picture.
"NEI DAC" Auteldac 600 Series Telephone, Dec. 15, 1990.