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.

Creation Information

Serdinko, John December 5, 1893.

Context

This patent is part of the collection entitled: Texas Patents and was provided by UNT Libraries Government Documents Department to The Portal to Texas History, a digital repository hosted by the UNT Libraries. It has been viewed 76 times , with 28 in the last month . More information about this patent can be viewed below.

Who

People and organizations associated with either the creation of this patent or its content.

Inventor

Other

Printer

Witnesses

Publisher

Audiences

Check out our Resources for Educators Site! We've identified this patent as a primary source within our collections. Researchers, educators, and students may find this patent useful in their work.

Provided By

UNT Libraries Government Documents Department

Serving as both a federal and a state depository library, the UNT Libraries Government Documents Department maintains millions of items in a variety of formats. The department is a member of the FDLP Content Partnerships Program and an Affiliated Archive of the National Archives.

Contact Us

What

Descriptive information to help identify this patent. Follow the links below to find similar items on the Portal.

Titles

  • 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.)

Subjects

Language

Item Type

Identifier

Unique identifying numbers for this patent in the Portal or other systems.

Collections

This patent is part of the following collection of related materials.

Texas Patents

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

What responsibilities do I have when using this patent?

When

Dates and time periods associated with this patent.

Creation Date

  • December 5, 1893

Accepted Date

  • December 5, 1893

Submitted Date

  • April 22, 1893

Added to The The Portal to Texas History

  • Aug. 4, 2011, 5:55 p.m.

Description Last Updated

  • Oct. 26, 2015, 9:29 p.m.

Usage Statistics

When was this patent last used?

Yesterday: 1
Past 30 days: 28
Total Uses: 76

Where

Geographical information about where this patent originated or about its content.

Map Information

  • map marker Automatically generated Place Name coordinates.
  • map marker Automatically generated Publication Place coordinates.
  • Repositioning map may be required for optimal printing.

Mapped Locations

Interact With This Patent

Here are some suggestions for what to do next.

Start Viewing

Citations, Rights, Re-Use

Serdinko, John. Automatic Telephone-Exchange System., patent, December 5, 1893; [Washington D.C.]. (texashistory.unt.edu/ark:/67531/metapth173583/: accessed November 18, 2017), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting UNT Libraries Government Documents Department.