1650878

Information

• Patent Grant
• 1650878

• References
• Source

• Patent Number

  1,650,878

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1927
  97 years ago

• CPC

  • G04C21/10 - with locking plate
  • G04C3/022 - with constant impulses

• US Classifications

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