CA14905A - Perfectionnements aux appareils a signaux telephoniques - Google Patents

Perfectionnements aux appareils a signaux telephoniques

Info

Publication number: CA14905A
Authority: CA; Canada
Prior art keywords: telephone signal; signal apparatus; telephone; signal
Prior art date: 1882-06-05
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

CA000014905A

Other languages

English (en)

Inventor

James F. Kettell

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

Publication date

1882-06-05

1882-06-05 Application granted granted Critical

1882-06-05 Publication of CA14905A publication Critical patent/CA14905A/fr

Status Expired legal-status Critical Current

Links

CA000014905A Perfectionnements aux appareils a signaux telephoniques Expired CA14905A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA14905T

Publications (1)

Publication Number	Publication Date
CA14905A true CA14905A (fr)	1882-06-05

Family

ID=45131449

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000014905A Expired CA14905A (fr)			Perfectionnements aux appareils a signaux telephoniques

Country Status (1)

Country	Link
CA (1)	CA14905A (fr)

0
- CA CA000014905A patent/CA14905A/fr not_active Expired

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