3125812

Information

• Patent Grant
• 3125812

• References
• Source

• Patent Number

  3,125,812

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1964
  60 years ago

• CPC

  • G09C5/00 - Ciphering apparatus or methods not provided for in the preceding groups
  • G02B6/04 - formed by bundles of fibres
  • G07C9/00055 - visually

• US Classifications

  • 380 - Cryptography
  • 065 - Glass manufacturing
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 353 - Optics: image projectors
  • 385 - Optical waveguides