CA178293A - Mecanisme d'echange telephonque - Google Patents

Mecanisme d'echange telephonque

Info

Publication number
CA178293A
CA178293A CA000178293A CA178293DA CA178293A CA 178293 A CA178293 A CA 178293A CA 000178293 A CA000178293 A CA 000178293A CA 178293D A CA178293D A CA 178293DA CA 178293 A CA178293 A CA 178293A
Authority
CA
Canada
Prior art keywords
telephone exchange
exchange mechanism
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
CA000178293A
Other languages
English (en)
Inventor
Samuel Jun. Williams
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 CA178293A publication Critical patent/CA178293A/fr
Expired legal-status Critical Current

Links

CA000178293A 1916-05-10 1916-05-10 Mecanisme d'echange telephonque Expired CA178293A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA178293T 1916-05-10

Publications (1)

Publication Number Publication Date
CA178293A true CA178293A (fr) 1917-07-24

Family

ID=45297946

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000178293A Expired CA178293A (fr) 1916-05-10 1916-05-10 Mecanisme d'echange telephonque

Country Status (1)

Country Link
CA (1) CA178293A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1104643S1 (en) * 2024-01-22 2025-12-09 Mantis Product Development Corporation Cooler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1104643S1 (en) * 2024-01-22 2025-12-09 Mantis Product Development Corporation Cooler

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