CA175890A - Appareil telephonique - Google Patents

Appareil telephonique

Info

Publication number
CA175890A
CA175890A CA000175890A CA175890DA CA175890A CA 175890 A CA175890 A CA 175890A CA 000175890 A CA000175890 A CA 000175890A CA 175890D A CA175890D A CA 175890DA CA 175890 A CA175890 A CA 175890A
Authority
CA
Canada
Prior art keywords
telephone apparatus
telephone
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
CA000175890A
Other languages
English (en)
Inventor
Maurice Kolb Mcgrath
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 CA175890A publication Critical patent/CA175890A/fr
Expired legal-status Critical Current

Links

CA000175890A 1915-12-19 1915-12-19 Appareil telephonique Expired CA175890A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA175890T 1915-12-19

Publications (1)

Publication Number Publication Date
CA175890A true CA175890A (fr) 1917-03-20

Family

ID=45295543

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000175890A Expired CA175890A (fr) 1915-12-19 1915-12-19 Appareil telephonique

Country Status (1)

Country Link
CA (1) CA175890A (fr)

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