CA67253A - Echange telephonique - Google Patents

Echange telephonique

Info

Publication number
CA67253A
CA67253A CA000067253A CA67253DA CA67253A CA 67253 A CA67253 A CA 67253A CA 000067253 A CA000067253 A CA 000067253A CA 67253D A CA67253D A CA 67253DA CA 67253 A CA67253 A CA 67253A
Authority
CA
Canada
Prior art keywords
telephone exchange
telephone
exchange
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
CA000067253A
Other languages
English (en)
Inventor
A.B. Strowger
John Erickson
Charles J. Erickson
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.)
STROWGER AUTOMATIC TELEPHONE EXCHANGE
Original Assignee
STROWGER AUTOMATIC TELEPHONE EXCHANGE
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 STROWGER AUTOMATIC TELEPHONE EXCHANGE filed Critical STROWGER AUTOMATIC TELEPHONE EXCHANGE
Application granted granted Critical
Publication of CA67253A publication Critical patent/CA67253A/fr
Expired legal-status Critical Current

Links

CA000067253A 1898-10-01 1898-10-01 Echange telephonique Expired CA67253A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA67253T 1898-10-01

Publications (1)

Publication Number Publication Date
CA67253A true CA67253A (fr) 1900-05-09

Family

ID=45183791

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000067253A Expired CA67253A (fr) 1898-10-01 1898-10-01 Echange telephonique

Country Status (1)

Country Link
CA (1) CA67253A (fr)

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