2377617

Information

• Patent Grant
• 2377617

• References
• Source

• Patent Number

  2,377,617

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1945
  79 years ago

• CPC

  • G04C11/002 - by changing the driving speed

• US Classifications

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