CA58955A - Signal d'appel pour commutateurs de telephone - Google Patents

Signal d'appel pour commutateurs de telephone

Info

Publication number
CA58955A
CA58955A CA000058955A CA58955DA CA58955A CA 58955 A CA58955 A CA 58955A CA 000058955 A CA000058955 A CA 000058955A CA 58955D A CA58955D A CA 58955DA CA 58955 A CA58955 A CA 58955A
Authority
CA
Canada
Prior art keywords
telephone switchboards
calling
appliance
calling appliance
switchboards
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
CA000058955A
Other languages
English (en)
Inventor
Frank Robert Mcberty
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.)
Bell Telephone Company of Canada
Original Assignee
Bell Telephone Company of Canada
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 Bell Telephone Company of Canada filed Critical Bell Telephone Company of Canada
Application granted granted Critical
Publication of CA58955A publication Critical patent/CA58955A/fr
Expired legal-status Critical Current

Links

CA000058955A 1898-01-01 1898-01-01 Signal d'appel pour commutateurs de telephone Expired CA58955A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA58955T 1898-01-01

Publications (1)

Publication Number Publication Date
CA58955A true CA58955A (fr) 1898-02-01

Family

ID=45175493

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000058955A Expired CA58955A (fr) 1898-01-01 1898-01-01 Signal d'appel pour commutateurs de telephone

Country Status (1)

Country Link
CA (1) CA58955A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD305401S (en) 1987-07-31 1990-01-09 Guardian Products, Inc. Anatomical handgrip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD305401S (en) 1987-07-31 1990-01-09 Guardian Products, Inc. Anatomical handgrip

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