Automatic Telephone-Exchange System.

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Description

Patent for "a simple system and arrangement which is especially adapted for a telephone exchange, which enables the instruments to be connected by a single wire, which dispenses with the use of an operator at the central station, which has automatic means for registering the messages sent by each subscriber, and which is provided with an automatic switching device by means of which one subscriber may connect with any other" (lines 10-19).

Physical Description

[4], 5 p. : ill. ; 23 cm.

Creation Information

Serdinko, John December 5, 1893.

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This patent is part of the collection entitled: Texas Patents and was provided by the UNT Libraries Government Documents Department to The Portal to Texas History, a digital repository hosted by the UNT Libraries. It has been viewed 568 times. More information about this patent can be viewed below.

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  • Main Title: Automatic Telephone-Exchange System.
  • Added Title: Automatic Telephone Exchange System.

Description

Patent for "a simple system and arrangement which is especially adapted for a telephone exchange, which enables the instruments to be connected by a single wire, which dispenses with the use of an operator at the central station, which has automatic means for registering the messages sent by each subscriber, and which is provided with an automatic switching device by means of which one subscriber may connect with any other" (lines 10-19).

Physical Description

[4], 5 p. : ill. ; 23 cm.

Notes

Application filed April 22, 1893. Serial No. 471,390. (No model.)

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Texas Patents

United States patents filed by Texas inventors before 1900. A majority of the patents are for agricultural and industrial applications.

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  • December 5, 1893

Accepted Date

  • December 5, 1893

Submitted Date

  • April 22, 1893

Added to The Portal to Texas History

  • Aug. 4, 2011, 5:55 p.m.

Description Last Updated

  • Aug. 6, 2020, 9:35 p.m.

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Serdinko, John. Automatic Telephone-Exchange System., patent, December 5, 1893; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth173583/: accessed May 11, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.

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