CA179615A - Avertisseur telephonique - Google Patents

Avertisseur telephonique

Info

Publication number
CA179615A
CA179615A CA000179615A CA179615DA CA179615A CA 179615 A CA179615 A CA 179615A CA 000179615 A CA000179615 A CA 000179615A CA 179615D A CA179615D A CA 179615DA CA 179615 A CA179615 A CA 179615A
Authority
CA
Canada
Prior art keywords
telephone alarm
alarm
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
CA000179615A
Other languages
English (en)
Inventor
Kenneth James Craighead
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 CA179615A publication Critical patent/CA179615A/fr
Expired legal-status Critical Current

Links

CA000179615A 1917-07-09 1917-07-09 Avertisseur telephonique Expired CA179615A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA179615T 1917-07-09

Publications (1)

Publication Number Publication Date
CA179615A true CA179615A (fr) 1917-10-09

Family

ID=45299268

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000179615A Expired CA179615A (fr) 1917-07-09 1917-07-09 Avertisseur telephonique

Country Status (1)

Country Link
CA (1) CA179615A (fr)

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