CA498763A - Measured service telephone system - Google Patents

Measured service telephone system

Info

Publication number: CA498763A
Authority: CA; Canada
Prior art keywords: telephone system; measured service; service telephone; measured; telephone
Prior art date: 1953-12-29
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

CA498763A

Other languages

French (fr)

Inventor

E. Lomax Clarence

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.)

Automatic Electric Laboratories Inc

Original Assignee

Automatic Electric Laboratories Inc

Publication date

1953-12-29

1953-12-29 Application granted granted Critical

1953-12-29 Publication of CA498763A publication Critical patent/CA498763A/en

Status Expired legal-status Critical Current

Links

CA498763A Measured service telephone system Expired CA498763A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA498763T

Publications (1)

Publication Number	Publication Date
CA498763A true CA498763A (en)	1953-12-29

Family

ID=35644204

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA498763A Expired CA498763A (en)			Measured service telephone system

Country Status (1)

Country	Link
CA (1)	CA498763A (en)

0
- CA CA498763A patent/CA498763A/en not_active Expired

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