Unitary telephone ear receiver element and attached microphone

Description

FIG. 1 is a left side, top and front perspective view of a unitary telephone ear receiver element and attached microphone showing our new design;

FIG. 2 is a left side elevational view thereof, the side opposite view thereof being substantially a mirror image;

FIGS. 3 and 4 are respectively rear and front elevational views thereof; and

FIGS. 5 and 6 are respectively top and bottom plan views thereof.

Referenced Cited
U.S. Patent Documents
D159223 July 1950 Olson
D211951 August 1968 Thomson et al.
D226273 January 1973 Tyson et al.
D262286 December 15, 1981 Austin et al.
D287008 December 2, 1986 Tragatschnig
D299643 January 31, 1989 Kubota
3280273 October 1966 Flygstad et al.
4426657 January 17, 1984 Larkin
4634816 January 6, 1987 O'Malley et al.
4649570 March 1987 Terback et al.
4720857 January 19, 1988 Burnis et al.
4741030 April 26, 1988 Wilson
4754434 June 28, 1988 Larkin et al.
4788724 December 6, 1988 Lazzenoni et al.
Foreign Patent Documents
0223096 December 1984 JPX
Other references
  • B. A. Pargh, Co. Inc.: 1989 Spring Summer Catalog: Headsets, Headphones, etc. on pp. 372-373. Telephony, Jan. 26, 1987: p. 63: Plantronics Headset. Stetomike HMT 808.TM.: Ad sheet: Headset.
Patent History
Patent number: D309306
Type: Grant
Filed: Mar 13, 1989
Date of Patent: Jul 17, 1990
Inventors: Margaret A. Weiser (Tarzana, CA), Issac Weiser (Tarzana, CA)
Primary Examiner: Horace B. Fay, Jr.
Law Firm: Cislo & Thomas
Application Number: 7/322,239
Classifications