2020974

Information

• Patent Grant
• 2020974

• References
• Source

• Patent Number

  2,020,974

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1935
  89 years ago

• CPC

  • G04C23/14 - Mechanisms continuously running to relate the operation(s) to the time of day

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 968 - Horology