CA770234A - Private branch telephone system with camp-on facilities - Google Patents

Private branch telephone system with camp-on facilities

Info

Publication number
CA770234A
CA770234A CA770234A CA770234DA CA770234A CA 770234 A CA770234 A CA 770234A CA 770234 A CA770234 A CA 770234A CA 770234D A CA770234D A CA 770234DA CA 770234 A CA770234 A CA 770234A
Authority
CA
Canada
Prior art keywords
camp
facilities
telephone system
private branch
branch telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA770234A
Inventor
E. Thelemaque Louis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA770234A publication Critical patent/CA770234A/en
Expired legal-status Critical Current

Links

CA770234A Private branch telephone system with camp-on facilities Expired CA770234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA770234T

Publications (1)

Publication Number Publication Date
CA770234A true CA770234A (en) 1967-10-24

Family

ID=36213638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA770234A Expired CA770234A (en) Private branch telephone system with camp-on facilities

Country Status (1)

Country Link
CA (1) CA770234A (en)

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