Electronic key telephone set

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Information

Patent Grant
D292579

References
Source

Patent Number
D292,579
Date Filed
Friday, December 20, 1985
39 years ago
Date Issued
Tuesday, November 3, 1987
37 years ago

Inventors
- Davorin Savnik
Original Assignees
- Iskra-Sozd Elektrokovinske Industrije n.sol.o.
Examiners
- Burke; Wallace R.
- Fay; Horace B.
Agents
- Fleit, Jacobson, Cohn & Price

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 52
- D14 58
- D14 59
- D14 62
- D14 53
- D14 4
- D14 92
- 379 436
- 379 468
- 379 157
- 379 388
- 379 389
- 379 390
- 379 420
- D21 111
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an electronic key telephone set, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
M-335/85	Jul 1985	YUX

US Referenced Citations (10)

Number	Name	Date	Kind
D225746	Federico	Jan 1973
D232365	Churchill et al.	Aug 1974
D259563	Marshall	Jun 1981
D262875	Franchi et al.	Feb 1982
D276338	Pardo	Nov 1984
D284467	Baba et al.	Jul 1986
D285304	Inaba	Aug 1986
D285681	Nakashima	Sep 1986
D287363	Klaiber et al.	Dec 1986
D287851	Hoi	Jan 1987

Non-Patent Literature Citations (4)

Entry
New York Times ad, p. D-11, 7/16/1985, Speakerphone.
Telektronikk (Norway), vol. 74, No. 4 (1978), New NTA Telephone, p. 317 1980 Model, also Modeller, FIG. 8, p. 312, right column 2nd at top.
Telrad Tele Comm. & Electronics brochure, Key bx Telephone.
Teleproduct News, at p. 1, Phone-Mate Model 9700, 9750, Answering System.