CA169473A - Calling device - Google Patents

Calling device

Info

Publication number
CA169473A
CA169473A CA000169473A CA169473DA CA169473A CA 169473 A CA169473 A CA 169473A CA 000169473 A CA000169473 A CA 000169473A CA 169473D A CA169473D A CA 169473DA CA 169473 A CA169473 A CA 169473A
Authority
CA
Canada
Prior art keywords
calling device
calling
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
CA000169473A
Other languages
French (fr)
Inventor
Oscar Ferdinand Forsberg
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA169473A publication Critical patent/CA169473A/en
Expired legal-status Critical Current

Links

CA000169473A 1915-08-03 1915-08-03 Calling device Expired CA169473A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA169473T 1915-08-03

Publications (1)

Publication Number Publication Date
CA169473A true CA169473A (en) 1916-05-16

Family

ID=45289136

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000169473A Expired CA169473A (en) 1915-08-03 1915-08-03 Calling device

Country Status (1)

Country Link
CA (1) CA169473A (en)

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