US1039773A - Telephone-switchboard. - Google Patents

Telephone-switchboard. Download PDF

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Publication number
US1039773A
US1039773A US58580510A US1910585805A US1039773A US 1039773 A US1039773 A US 1039773A US 58580510 A US58580510 A US 58580510A US 1910585805 A US1910585805 A US 1910585805A US 1039773 A US1039773 A US 1039773A
Authority
US
United States
Prior art keywords
switchboard
telephone
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 - Lifetime
Application number
US58580510A
Inventor
Ernest S Mclarn
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to US58580510A priority Critical patent/US1039773A/en
Application granted granted Critical
Publication of US1039773A publication Critical patent/US1039773A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/10—Manual exchanges using separate plug for each subscriber

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)

Description

US58580510A 1910-10-07 1910-10-07 Telephone-switchboard. Expired - Lifetime US1039773A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US58580510A US1039773A (en) 1910-10-07 1910-10-07 Telephone-switchboard.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58580510A US1039773A (en) 1910-10-07 1910-10-07 Telephone-switchboard.

Publications (1)

Publication Number Publication Date
US1039773A true US1039773A (en) 1912-10-01

Family

ID=3108047

Family Applications (1)

Application Number Title Priority Date Filing Date
US58580510A Expired - Lifetime US1039773A (en) 1910-10-07 1910-10-07 Telephone-switchboard.

Country Status (1)

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US (1) US1039773A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561426A (en) * 1947-10-11 1951-07-24 Standard Telephones Cables Ltd Telephone switchboard with expansible bays and cable racks
US3704347A (en) * 1971-06-28 1972-11-28 Gen Telephone Co Of California Telephone cable restorer system
US20130068714A1 (en) * 2011-09-15 2013-03-21 Wabtec Holding Corp. Elastomeric Draft Gear For A Railcar
US9562582B2 (en) 2011-09-15 2017-02-07 Wabtec Holding Corp. Compressible elastomeric spring

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561426A (en) * 1947-10-11 1951-07-24 Standard Telephones Cables Ltd Telephone switchboard with expansible bays and cable racks
US3704347A (en) * 1971-06-28 1972-11-28 Gen Telephone Co Of California Telephone cable restorer system
US20130068714A1 (en) * 2011-09-15 2013-03-21 Wabtec Holding Corp. Elastomeric Draft Gear For A Railcar
US8672151B2 (en) * 2011-09-15 2014-03-18 Wabtec Corp Elastomeric draft gear for a railcar
US9562582B2 (en) 2011-09-15 2017-02-07 Wabtec Holding Corp. Compressible elastomeric spring

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