2800720

Information

• Patent Grant
• 2800720

• References
• Source

• Patent Number

  2,800,720

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1957
  67 years ago

• CPC

  • B43L7/04 - with rollers
  • F16C29/04 - Ball or roller bearings
  • Y10T29/49679 - Anti-friction bearing or component thereof
  • Y10T74/22 - Miscellaneous

• US Classifications

  • 033 - Geometrical instruments
  • 029 - Metal working
  • 074 - Machine element or mechanism
  • 269 - Work holders
  • 280 - Land vehicles
  • 446 - Amusement devices: toys
  • 476 - Friction gear transmission systems or components