CA123453A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA123453A
CA123453A CA000123453A CA123453DA CA123453A CA 123453 A CA123453 A CA 123453A CA 000123453 A CA000123453 A CA 000123453A CA 123453D A CA123453D A CA 123453DA CA 123453 A CA123453 A CA 123453A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA000123453A
Other languages
English (en)
Inventor
David William May
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA123453A publication Critical patent/CA123453A/fr
Expired legal-status Critical Current

Links

CA000123453A 1909-07-15 1909-07-15 Systeme telephonique Expired CA123453A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA123453T 1909-07-15

Publications (1)

Publication Number Publication Date
CA123453A true CA123453A (fr) 1910-01-25

Family

ID=45243177

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000123453A Expired CA123453A (fr) 1909-07-15 1909-07-15 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA123453A (fr)

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