Loudspeaker

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Information

Patent Grant
D250586

References
Source

Patent Number
D250,586
Date Filed
Thursday, April 15, 1976
48 years ago
Date Issued
Tuesday, December 19, 1978
45 years ago

Inventors
- Dale A. Nussdorfer
- William L. Hayes
Original Assignees
- ALTEC CORPORATION
Examiners
- Ansher; Bernard
Agents
- Sokolski; Edward A.

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- 179 1 E
- 179 179
- 179 1155 R
- D14 30
- 181 198
- 181 199
- 181 174
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a loudspeaker, as shown.

US Referenced Citations (3)

Number	Name	Date	Kind
D188541	Matsuoka et al.	Aug 1960
D192290	Johnson et al.	Feb 1972
D239538	Wagner	Apr 1976

Non-Patent Literature Citations (2)

Entry
Stereo/Hi-Fi 1963, Directory, p. 95, Electro-Voice Loudspeaker.
Cerwin-Vega Speaker brochure, loudspeaker, lower right center of page.