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Information

Patent Grant
D421609

References
Source

Patent Number
D421,609
Date Filed
Tuesday, October 13, 1998
26 years ago
Date Issued
Tuesday, March 14, 2000
24 years ago

Inventors
- Morten Villiers Warren
Original Assignees
- B&W Loudspeakers Limited
Examiners
- Bondade; Nanda
Agents
- Burns, Doane, Swecker & Mathis LLP

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 204
- D14 209-216
- 181 144
- 181 145
- 181 147
- 181 148
- 181 150
- 181 153
- 181 157
- 181 198
- 181 199
- 381 24
- 381 88
- 381 90-91
- 381 153
- 381 159
- 381 186
- 381 188
International Classifications
- 1401
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a speaker, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
2073933	Apr 1998	GBX

US Referenced Citations (4)

Number	Name	Date	Kind
D254251	Ward	Feb 1980
D369605	Lin	May 1996
D378591	Brezovar	Mar 1997
D379183	Lin	May 1997

Foreign Referenced Citations (1)

Number	Date	Country
VI93O0061	Jun 1993	ITX

Non-Patent Literature Citations (7)

Entry
Stereo Review, p. 103, Speakers, Dec. 1987.
Stereo Review, p. 39, OHM CAM Speakers, Apr. 1989.
Stereo Review, p. 54, B&W's Matrix 802 Speaker, Aug. 1989.
Dalesford D speakers, Hi-Fi For Pleasure, Oct. 1981, p. 202.
"Kugellautsprecher!: A German Approach Towards the Omni-Directional Ideal" reproduced from Mar. 1959 issue in Classic Hi-Fi: Hi-Fi News & Record Review, Feb. 1999, pp. 22-24.
Cubicon brochure prior to Jun. 1991.
JR Loudspeakers, Hi Fi News, Mar. 1978.