1808901

Information

• Patent Grant
• 1808901

• References
• Source

• Patent Number

  1,808,901

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1931
  93 years ago

• CPC

  • A47C3/185 - self-returning to the original position
  • A47C3/18 - Chairs or stools with rotatable seat
  • Y10T16/5387 - having axially biased camming surface
  • Y10T74/18304 - Axial cam

• US Classifications

  • 016 - Miscellaneous hardware
  • 074 - Machine element or mechanism