CA641673A - Telephone switching circuit - Google Patents

Telephone switching circuit

Info

Publication number: CA641673A
Authority: CA; Canada
Prior art keywords: switching circuit; telephone switching; telephone; circuit; switching
Prior art date: 1962-05-22
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

CA641673A

Inventor

W. Ketchledge Raymond

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

1962-05-22

1962-05-22 Application granted granted Critical

1962-05-22 Publication of CA641673A publication Critical patent/CA641673A/en

Status Expired legal-status Critical Current

Links

CA641673A Telephone switching circuit Expired CA641673A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA641673T

Publications (1)

Publication Number	Publication Date
CA641673A true CA641673A (en)	1962-05-22

Family

ID=35920192

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA641673A Expired CA641673A (en)			Telephone switching circuit

Country Status (1)

Country	Link
CA (1)	CA641673A (en)

0
- CA CA641673A patent/CA641673A/en not_active Expired

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