3627936

Information

• Patent Grant
• 3627936

• References
• Source

• Patent Number

  3,627,936

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1971
  53 years ago

• CPC

  • H04M1/23 - Construction or mounting of dials or of equivalent devices Means for facilitating the use thereof
  • G06C7/02 - Keyboards
  • G06F3/023 - Arrangements for converting discrete items of information into a coded form
  • H01H1/403 - Contacts forming part of a printed circuit
  • H01H13/70 - having a plurality of operating members associated with different sets of contacts
  • H04L13/16 - of transmitters

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 341 - Coded data generation or conversion
  • 379 - Telephonic communications