Collapsible headset

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Information

Patent Grant
D266244

References
Source

Patent Number
D266,244
Date Filed
Wednesday, May 30, 1979
45 years ago
Date Issued
Tuesday, September 21, 1982
42 years ago

Inventors
- Alan Hofer
- Frank Frielingsdorf
Original Assignees
- PICKERING & COMPANY, INC
Examiners
- Tung; T.
Agents
- Kane, Dalsimer, Kane, Sullivan and Kurucz

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 36
- 179 156 R
- 179 182 R
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a collapsible headset, as shown.

US Referenced Citations (9)

Number	Name	Date	Kind
D196654	Van Den Berg	Oct 1963
D244300	Besasie	May 1977
1677185	Kaisling	Jul 1928
2407731	Woodruff	Sep 1946
3053944	Weeks	Sep 1962
3272926	Falkenberg	Sep 1966
3488457	Lahti	Jan 1970
3810525	Crenna	May 1974
3863028	Fixler	Jan 1975

Foreign Referenced Citations (2)

Number	Date	Country
246574	Jan 1926	GBX
1091490	Nov 1967	GBX