Large button telephone

Details Large button telephone Large button telephone

1983-07-25

1985-11-05

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 60, D14 62, D14 56

Patent

active

D02812436

REFERENCES:
patent: D247492 (1978-03-01), Schiffman
patent: D256234 (1980-08-01), Fukushima
patent: D275669 (1984-09-01), Genaro et al.
patent: D276338 (1984-11-01), Pardo
patent: D277002 (1985-01-01), Genaro et al.
patent: 3517637 (1970-06-01), Kaiser
patent: 4142312 (1979-03-01), Stokes
patent: 4243846 (1981-01-01), Lenaerts et al.
patent: 4386245 (1983-05-01), Nimura et al.
Western Electric Design Line, "Big Button" phone.
Western Electric Technical Digest, No. 67, Jul. 1982; Article by Tolman et al., entitled "Keyboard", pp. 23-24.
Japanese paper, entitled "New Pushbutton Dial for 601P Telephone Set"; pp. 1085-1101; Dial Switch at p. 1087.
Sears, Spring Summer Cat. 1979; GTE "Style Line" phones shown in upper center display p. 570.

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