1910434

Information

• Patent Grant
• 1910434

• References
• Source

• Patent Number

  1,910,434

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1933
  91 years ago

• CPC

  • G04C3/024 - using other coupling means

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 310 - Electrical generator or motor structure
  • 968 - Horology