CA493484A - Telephone system - Google Patents

Telephone system

Info

Publication number: CA493484A
Authority: CA; Canada
Prior art keywords: telephone system; telephone
Prior art date: 1953-06-09
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

CA493484A

Other languages

Inventor

E. Peterson Seth

Original Assignee

Automatic Electric Laboratories Inc

Publication date

1953-06-09

1953-06-09 Application granted granted Critical

1953-06-09 Publication of CA493484A publication Critical patent/CA493484A/en

Status Expired legal-status Critical Current

Links

CA493484A Telephone system Expired CA493484A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA493484T

Publications (1)

Publication Number	Publication Date
CA493484A true CA493484A (en)	1953-06-09

Family

ID=35638873

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA493484A Expired CA493484A (en)			Telephone system

Country Status (1)

Country	Link
CA (1)	CA493484A (en)

0
- CA CA493484A patent/CA493484A/en not_active Expired

Similar Documents

Publication	Publication Date	Title
CA493484A (en)	1953-06-09	Telephone system
CA491719A (en)	1953-03-31	Telephone system
CA493424A (en)	1953-06-02	Telephone system
CA493979A (en)	1953-06-30	Anti-burglar system
CA495874A (en)	1953-09-08	Telephone systems
CA496513A (en)	1953-09-29	Telephone systems
CA493123A (en)	1953-05-26	Telephone systems
CA493483A (en)	1953-06-09	Telephone systems
CA493485A (en)	1953-06-09	Telephone systems
CA493486A (en)	1953-06-09	Telephone systems
CA493889A (en)	1953-06-23	Telephone systems
CA494014A (en)	1953-06-30	Telephone systems
CA498859A (en)	1953-12-29	Telephone systems
CA491104A (en)	1953-03-10	Telephone systems
CA496514A (en)	1953-09-29	Telephone systems
CA496858A (en)	1953-10-13	Telephone systems
CA497078A (en)	1953-10-20	Telephone systems
CA497326A (en)	1953-11-03	Telephone systems
CA497641A (en)	1953-11-10	Telephone systems
CA497642A (en)	1953-11-10	Telephone systems
CA498036A (en)	1953-12-01	Telephone systems
CA498762A (en)	1953-12-29	Telephone systems
CA498037A (en)	1953-12-01	Telephone systems
CA497327A (en)	1953-11-03	Telecommunication systems
CA493211A (en)	1953-05-26	Communication system