3724200

Information

• Patent Grant
• 3724200

• References
• Source

• Patent Number

  3,724,200

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  51 years ago

• CPC

  • G04C1/067 - by stepping rotating movement
  • G04C10/02 - the power supply being a radioactive or photovoltaic source

• US Classifications

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