2454887

Information

• Patent Grant
• 2454887

• References
• Source

• Patent Number

  2,454,887

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1948
  76 years ago

• CPC

  • G04C23/42 - acting only at the end of a single time interval

• US Classifications

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