CA761546A - Telephone signaling system - Google Patents

Telephone signaling system

Info

Publication number
CA761546A
CA761546A CA761546A CA761546DA CA761546A CA 761546 A CA761546 A CA 761546A CA 761546 A CA761546 A CA 761546A CA 761546D A CA761546D A CA 761546DA CA 761546 A CA761546 A CA 761546A
Authority
CA
Canada
Prior art keywords
signaling system
telephone signaling
telephone
signaling
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
CA761546A
Inventor
E. Morse Charles
P. Smith John
E. Brumfield Grayson
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36198665&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA761546(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application granted granted Critical
Publication of CA761546A publication Critical patent/CA761546A/en
Expired legal-status Critical Current

Links

CA761546A Telephone signaling system Expired CA761546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA761546T

Publications (1)

Publication Number Publication Date
CA761546A true CA761546A (en) 1967-06-20

Family

ID=36198665

Family Applications (1)

Application Number Title Priority Date Filing Date
CA761546A Expired CA761546A (en) Telephone signaling system

Country Status (1)

Country Link
CA (1) CA761546A (en)

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