CA513766A - Automatic telephone systems - Google Patents

Automatic telephone systems

Info

Publication number: CA513766A
Authority: CA; Canada
Prior art keywords: telephone systems; automatic telephone; automatic; systems; telephone
Prior art date: 1955-06-14
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

CA513766A

Other languages

French (fr)

Inventor

E. Griffins Morris

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.)

Nortel Networks Ltd

Original Assignee

Northern Electric Co Ltd

Publication date

1955-06-14

1955-06-14 Application granted granted Critical

1955-06-14 Publication of CA513766A publication Critical patent/CA513766A/en

Status Expired legal-status Critical Current

Links

CA513766A Automatic telephone systems Expired CA513766A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA513766T

Publications (1)

Publication Number	Publication Date
CA513766A true CA513766A (en)	1955-06-14

Family

ID=35664849

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA513766A Expired CA513766A (en)			Automatic telephone systems

Country Status (1)

Country	Link
CA (1)	CA513766A (en)

0
- CA CA513766A patent/CA513766A/en not_active Expired

Similar Documents

Publication	Publication Date	Title
CA517484A (en)	1955-10-18	Automatic hairwasher
CA514583A (en)	1955-07-12	Automatic telephone systems
CA516975A (en)	1955-09-27	Automatic telephone systems
CA519763A (en)	1955-12-20	Automatic telephone systems
CA513766A (en)	1955-06-14	Automatic telephone systems
CA509545A (en)	1955-01-25	Automatic telephone system
CA512081A (en)	1955-04-19	Automatic telephone exchange systems
CA512085A (en)	1955-04-19	Relay automatic telephone systems
CA512083A (en)	1955-04-19	Telephone systems
CA511747A (en)	1955-04-12	Telephone systems
CA512309A (en)	1955-04-26	Telephone systems
CA512310A (en)	1955-04-26	Telephone systems
CA512311A (en)	1955-04-26	Telephone systems
CA512312A (en)	1955-04-26	Telephone systems
CA519014A (en)	1955-11-29	Telephone systems
CA510665A (en)	1955-03-08	Telephone systems
CA510190A (en)	1955-02-15	Telephone systems
AU202560B2 (en)	1955-10-13	Improvements in automatic telephone systems
AU212106B2 (en)	1956-06-14	Improvements relating to automatic telephone systems
CA512082A (en)	1955-04-19	Automatic telephone exchange system
CA505485A (en)	1954-08-31	Automatic telephone systems
CA500362A (en)	1954-03-02	Automatic telephone systems
CA500638A (en)	1954-03-16	Automatic telephone systems
CA503173A (en)	1954-05-25	Automatic telephone systems
AU821255A (en)	1955-10-13	Improvements in automatic telephone systems