CA488054A - Sonnerie de telephone - Google Patents

Sonnerie de telephone

Info

Publication number
CA488054A
CA488054A CA488054A CA488054DA CA488054A CA 488054 A CA488054 A CA 488054A CA 488054 A CA488054 A CA 488054A CA 488054D A CA488054D A CA 488054DA CA 488054 A CA488054 A CA 488054A
Authority
CA
Canada
Prior art keywords
telephone ringer
ringer
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
CA488054A
Other languages
English (en)
Inventor
R. Power James
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
Publication date
Application granted granted Critical
Publication of CA488054A publication Critical patent/CA488054A/fr
Expired legal-status Critical Current

Links

CA488054A Sonnerie de telephone Expired CA488054A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA488054T

Publications (1)

Publication Number Publication Date
CA488054A true CA488054A (fr) 1952-11-11

Family

ID=35627774

Family Applications (1)

Application Number Title Priority Date Filing Date
CA488054A Expired CA488054A (fr) Sonnerie de telephone

Country Status (1)

Country Link
CA (1) CA488054A (fr)

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