1810732

Information

• Patent Grant
• 1810732

• References
• Source

• Patent Number

  1,810,732

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1931
  93 years ago

• CPC

  • G04C21/32 - giving indications at a number of places each at a different time
  • Y10T307/484 - Sequential or alternating

• US Classifications

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