3574274

Information

• Patent Grant
• 3574274

• References
• Source

• Patent Number

  3,574,274

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1971
  53 years ago

• CPC

  • G06M1/044 - with escapements
  • G04C13/10 - by electromechanical step advancing mechanisms
  • G04C17/0075 - by drums or drum-like devices

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology