2253763

Information

• Patent Grant
• 2253763

• References
• Source

• Patent Number

  2,253,763

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1941
  83 years ago

• CPC

  • G04B33/04 - Non-circular calibers

• US Classifications

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