1937513

Information

• Patent Grant
• 1937513

• References
• Source

• Patent Number

  1,937,513

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1933
  91 years ago

• CPC

  • H04L13/188 - Projection of the printed matter
  • Y10S200/11 - Web or thread actuated

• US Classifications

  • 178 - Telegraphy
  • 200 - Electricity: circuit makers and breakers
  • 226 - Advancing material of indeterminate length