Extension calling unit for telephone

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Information

Patent Grant
D389156

References
Source

Patent Number
D389,156
Date Filed
Tuesday, October 15, 1996
28 years ago
Date Issued
Tuesday, January 13, 1998
26 years ago

Inventors
- Takahisa Yoneyama
Original Assignees
- TOSHIBA CORPORATION
Examiners
- Asch; Jeffrey
Agents
- Oblon, Spivak, McClelland, Maier & Neustadt, P.C.

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 140
- D14 142
- D14 149-151
- D14 218
- D14 240
- D14 241
- 379 164
- 379 165
- 379 419
- 379 420
- 379 428
- 379 440
- 379 433-436
- 379 441
- 379 442
- 379 156
International Classifications
- 1403
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an extension calling unit for telephone, as shown.

Priority Claims (1)

Number	Date	Country	Kind
8-10918	Apr 1996	JPX

US Referenced Citations (13)

Number	Name	Date	Kind
D271394	Brown et al.	Nov 1983
D271763	Brown et al.	Dec 1983
D306027	Gagnon	Feb 1990
D312461	Ando	Nov 1990
D315564	Kido et al.	Mar 1991
D317920	Fuqua	Jul 1991
D321873	Ando	Nov 1991
D328300	Hattori et al.	Jul 1992
D340057	Wetzel et al.	Oct 1993
D374674	Elkins et al.	Oct 1996
D375100	Toh	Oct 1996
3928732	Simon et al.	Dec 1975
4394545	Doyle et al.	Jul 1983

Non-Patent Literature Citations (1)

Entry
B. A. Pargh 1992 Spring/Summer Catalog, Extension Console at top left of the right side of the page, p. 331.