CA440574A - Magnetic switchhook - Google Patents

Magnetic switchhook

Info

Publication number
CA440574A
CA440574A CA440574A CA440574DA CA440574A CA 440574 A CA440574 A CA 440574A CA 440574 A CA440574 A CA 440574A CA 440574D A CA440574D A CA 440574DA CA 440574 A CA440574 A CA 440574A
Authority
CA
Canada
Prior art keywords
switchhook
magnetic
magnetic switchhook
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
CA440574A
Other languages
French (fr)
Inventor
Malcolm Kalb Robert
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
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA440574A publication Critical patent/CA440574A/en
Expired legal-status Critical Current

Links

CA440574A Magnetic switchhook Expired CA440574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA440574T

Publications (1)

Publication Number Publication Date
CA440574A true CA440574A (en) 1947-04-01

Family

ID=35555808

Family Applications (1)

Application Number Title Priority Date Filing Date
CA440574A Expired CA440574A (en) Magnetic switchhook

Country Status (1)

Country Link
CA (1) CA440574A (en)

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