Control unit for a communications system

Details Control unit for a communications system Control unit for a communications system

Filed on

1987-04-13

Date issued

1990-03-27

Examiner

Fay, Jr., Horace B.

Patent Class

Recording, communication, or information retrieval equipment

SubClass

Video or audio transmission, recording or playback equipment

SubSubClass

Element or attachment

Other Related Categories

D14142, D14243, D14247, D14151, 379440, 379420

Type

Patent

Status

active

Patent number

D03068609

Description

REFERENCES:
patent: D121131 (1940-06-01), Stolzenberger, Jr.
patent: D203596 (1966-02-01), Kamp
patent: D211253 (1968-06-01), Sundquist et al.
patent: D232226 (1974-07-01), Bee et al.
patent: D243536 (1977-03-01), van de Poel
patent: D247174 (1978-02-01), Janda
patent: D253937 (1980-01-01), Sulek et al.
patent: D255032 (1980-05-01), Maddock
patent: D256918 (1980-09-01), White
patent: D264969 (1982-06-01), McGourty
patent: D268109 (1983-03-01), Richelet et al.
patent: D269780 (1983-07-01), Doodson
patent: D278812 (1985-05-01), Topp
patent: D282358 (1986-01-01), Campbell et al.
patent: D289644 (1987-05-01), Aldrich et al.
patent: D293319 (1987-12-01), Matsuda et al.
patent: 3482164 (1969-12-01), Lawson

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