Control knob for audio apparatus

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Information

Patent Grant
D253289

References
Source

Patent Number
D253,289
Date Filed
Wednesday, June 29, 1977
47 years ago
Date Issued
Tuesday, October 30, 1979
45 years ago

Inventors
- Akira Kato
Original Assignees
- Sansui Electric Co., Ltd.
Examiners
- Stearman; Joel
- Corrigan; Jane E.
Agents
- Sughrue; Richard C.

US Classifications
- D14 - Recording, communication, or information retrieval equipment
- D08 - Tools and hardware
Field of Search
- US
- D14 1
- D14 2
- D14 5-7
- D14 10
- D14 14
- D14 17-19
- D14 20-25
- D14 52
- D14 68-77
- D14 79
- D14 84
- D14 95
- D14 99
- D14 96
- D08 310-312
- 116 1241 R
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a control knob for audio apparatus, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
52-6341	Feb 1977	JPX

US Referenced Citations (2)

Number	Name	Date	Kind
D186982	Moxneck	Jan 1960
2573291	Wagenknecht	Oct 1951

Non-Patent Literature Citations (3)

Entry
Evans 1976 cat., c 1975, p. 29x, item "C".
Heathkit Spring 1976 cat., c 1976, p. 34, item #"AA-18", "Volume" & "Tone" Knobs.
Stereo Review, 6-76, p. 29, Mida Receiver, top right corner knob.