ES1029A1 - Switch improvements for switching telephone systems. - Google Patents

Switch improvements for switching telephone systems.

Info

Publication number
ES1029A1
ES1029A1 ES1029A ES1029A ES1029A1 ES 1029 A1 ES1029 A1 ES 1029A1 ES 1029 A ES1029 A ES 1029A ES 1029 A ES1029 A ES 1029A ES 1029 A1 ES1029 A1 ES 1029A1
Authority
ES
Spain
Prior art keywords
switch
telephone systems
switching telephone
switching
systems
Prior art date
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
ES1029A
Other languages
Spanish (es)
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.)
Fuller John Cheever
Original Assignee
Fuller John Cheever
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuller John Cheever filed Critical Fuller John Cheever
Priority to ES1029A priority Critical patent/ES1029A1/en
Publication of ES1029A1 publication Critical patent/ES1029A1/en
Expired legal-status Critical Current

Links

ES1029A 1880-07-02 1880-07-02 Switch improvements for switching telephone systems. Expired ES1029A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1029A ES1029A1 (en) 1880-07-02 1880-07-02 Switch improvements for switching telephone systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1029A ES1029A1 (en) 1880-07-02 1880-07-02 Switch improvements for switching telephone systems.

Publications (1)

Publication Number Publication Date
ES1029A1 true ES1029A1 (en) 1881-02-03

Family

ID=64157505

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1029A Expired ES1029A1 (en) 1880-07-02 1880-07-02 Switch improvements for switching telephone systems.

Country Status (1)

Country Link
ES (1) ES1029A1 (en)

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