AU890013A - Telephone exchange systems - Google Patents

Telephone exchange systems

Info

Publication number: AU890013A
Authority: AU; Australia
Prior art keywords: telephone exchange; exchange systems; systems; telephone; exchange
Prior art date: 1913-04-29
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

AU8900/13A

Other versions

AU890013B (en

Inventor

Reed Corwin Elmer

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

Filing date

1913-04-29

Publication date

1914-08-01

1913-04-29 Application filed by Individual filed Critical Individual

1913-04-29 Priority to AU8900/13A priority Critical patent/AU890013A/en

1914-08-01 Publication of AU890013B publication Critical patent/AU890013B/en

1914-08-01 Publication of AU890013A publication Critical patent/AU890013A/en

Status Expired legal-status Critical Current

Links

AU8900/13A 1913-04-29 Telephone exchange systems Expired AU890013A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AU8900/13A AU890013A (en)		1913-04-29	Telephone exchange systems

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AU8900/13A AU890013A (en)		1913-04-29	Telephone exchange systems

Publications (2)

Publication Number	Publication Date
AU890013B AU890013B (en)	1914-08-01
AU890013A true AU890013A (en)	1914-08-01

Family

ID=

Similar Documents

Publication	Publication Date	Title
AU890013A (en)	1914-08-01	Telephone exchange systems
CA163713A (en)	1915-07-13	Telephone exchange system
CA163714A (en)	1915-07-13	Telephone exchange system
CA164712A (en)	1915-09-07	Telephone exchange system
CA165221A (en)	1915-10-05	Telephone exchange system
CA165222A (en)	1915-10-05	Telephone exchange system
CA165404A (en)	1915-10-12	Telephone exchange system
CA167025A (en)	1916-01-11	Telephone exchange system
AU1055213A (en)	1914-09-29	Telephone exchange system
AU1055513A (en)	1914-09-29	Telephone exchange system
AU922013A (en)	1914-06-09	Telephone exchange system
AU890013B (en)	1914-08-01	Telephone exchange systems
CA159645A (en)	1914-12-22	Telephone system
CA179251A (en)	1917-09-11	Telephone system
CA159346A (en)	1914-12-08	Telephone system
CA159518A (en)	1914-12-15	Telephone system
CA178870A (en)	1917-08-21	Telephone system
CA159741A (en)	1914-12-29	Telephone system
CA159748A (en)	1914-12-29	Telephone system
CA164217A (en)	1915-08-10	Telephone system
CA165670A (en)	1915-10-26	Telephone system
CA166115A (en)	1915-11-23	Telephone system
CA166116A (en)	1915-11-23	Telephone system
CA166250A (en)	1915-11-30	Telephone system
CA167706A (en)	1916-02-22	Telephone system