CA11580A - Improvements in telephones - Google Patents

Improvements in telephones

Info

Publication number: CA11580A
Authority: CA; Canada
Prior art keywords: telephones
Prior art date: 1880-07-30
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

CA000011580A

Other languages

French (fr)

Inventor

William A. Childs

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

1880-07-30

1880-07-30 Application granted granted Critical

1880-07-30 Publication of CA11580A publication Critical patent/CA11580A/en

Status Expired legal-status Critical Current

Links

CA000011580A Improvements in telephones Expired CA11580A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA11580T

Publications (1)

Publication Number	Publication Date
CA11580A true CA11580A (en)	1880-07-30

Family

ID=45128126

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000011580A Expired CA11580A (en)			Improvements in telephones

Country Status (1)

Country	Link
CA (1)	CA11580A (en)

0
- CA CA000011580A patent/CA11580A/en not_active Expired

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