3712987

Information

• Patent Grant
• 3712987

• References
• Source

• Patent Number

  3,712,987

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1973
  51 years ago

• CPC

  • G04C23/347 - some operations being overridden
  • G04C23/26 - for operating a number of devices at different times
  • Y10T307/484 - Sequential or alternating

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 200 - Electricity: circuit makers and breakers
  • 968 - Horology