2301784

Information

• Patent Grant
• 2301784

• References
• Source

• Patent Number

  2,301,784

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1942
  82 years ago

• CPC

  • G04C13/04 - Master-clocks

• US Classifications

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