2939

Information

• Patent Grant
• 2939

• References
• Source

• Patent Number

  2,939

• Date Filed

  Not available

• Date Issued

  Saturday, February 4, 1843
  181 years ago

• CPC

  • G04B33/06 - of extremely flat shape
  • Y10T82/2593 - Work rest

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 082 - Turning