CA161182A - Registre d'appels telephoniques - Google Patents

Registre d'appels telephoniques

Info

Publication number: CA161182A
Authority: CA; Canada
Prior art keywords: telephone call; call recorder; recorder; telephone; call
Prior art date: 1914-09-30
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

CA000161182A

Other languages

English (en)

Inventor

John Kirby Guthrie

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.)

1914-09-30

Filing date

1914-09-30

Publication date

1915-03-09

1914-09-30 Application filed by Individual filed Critical Individual

1915-03-09 Application granted granted Critical

1915-03-09 Publication of CA161182A publication Critical patent/CA161182A/fr

Status Expired legal-status Critical Current

Links

CA000161182A 1914-09-30 1914-09-30 Registre d'appels telephoniques Expired CA161182A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA161182T		1914-09-30

Publications (1)

Publication Number	Publication Date
CA161182A true CA161182A (fr)	1915-03-09

Family

ID=45280874

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000161182A Expired CA161182A (fr)	1914-09-30	1914-09-30	Registre d'appels telephoniques

Country Status (1)

Country	Link
CA (1)	CA161182A (fr)

1914
- 1914-09-30 CA CA000161182A patent/CA161182A/fr not_active Expired

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