1953829

Information

• Patent Grant
• 1953829

• References
• Source

• Patent Number

  1,953,829

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1934
  91 years ago

• CPC

  • G09C1/12 - comprising contact-bearing permutation discs
  • Y10T74/1555 - Rotary driven element

• US Classifications

  • 380 - Cryptography
  • 074 - Machine element or mechanism
  • 200 - Electricity: circuit makers and breakers
  • 439 - Electrical connectors