CA82320A - Signalling apparatus for telephones - Google Patents

Signalling apparatus for telephones

Info

Publication number
CA82320A
CA82320A CA000082320A CA82320DA CA82320A CA 82320 A CA82320 A CA 82320A CA 000082320 A CA000082320 A CA 000082320A CA 82320D A CA82320D A CA 82320DA CA 82320 A CA82320 A CA 82320A
Authority
CA
Canada
Prior art keywords
telephones
signalling apparatus
signalling
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
CA000082320A
Other languages
French (fr)
Inventor
Charles E. Egan
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA82320A publication Critical patent/CA82320A/en
Expired legal-status Critical Current

Links

CA000082320A 1902-12-02 1902-12-02 Signalling apparatus for telephones Expired CA82320A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA82320T 1902-12-02

Publications (1)

Publication Number Publication Date
CA82320A true CA82320A (en) 1903-08-04

Family

ID=45198856

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000082320A Expired CA82320A (en) 1902-12-02 1902-12-02 Signalling apparatus for telephones

Country Status (1)

Country Link
CA (1) CA82320A (en)

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