Portable cellular handset telephone

Details Portable cellular handset telephone Portable cellular handset telephone

Filed on

1990-04-23

Date issued

1991-11-05

Examiner

Fay, Jr., Horace B.

Patent Class

Recording, communication, or information retrieval equipment

SubClass

Video or audio transmission, recording or playback equipment

SubSubClass

Radio transceiver

Other Related Categories

D14147, D14248

Type

Patent

Status

active

Patent number

D03213471

Description

REFERENCES:
patent: D254435 (1980-03-01), Ferron
patent: D276520 (1984-11-01), Breslow et al.
patent: D281686 (1985-12-01), Rivette et al.
patent: D291991 (1987-09-01), Lee
patent: D298621 (1988-11-01), Willis
patent: D302689 (1989-08-01), Murakami et al.
patent: D306294 (1990-02-01), Watanabe
patent: D306298 (1990-02-01), Sawada et al.
patent: 4481382 (1984-11-01), Villa-Real
patent: 4845772 (1989-07-01), Metrooka et al.
Telephony, Jul. 16, 1979; GTE Flip-Phone.

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