2393789

Information

• Patent Grant
• 2393789

• References
• Source

• Patent Number

  2,393,789

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1946
  78 years ago

• CPC

  • G04C11/002 - by changing the driving speed

• US Classifications

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