1231643

Information

• Patent Grant
• 1231643

• References
• Source

• Patent Number

  1,231,643

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1917
  107 years ago

• CPC

  • F16H55/22 - for transmissions with crossing shafts, especially worms, worm-gears
  • Y10T24/1494 - Wire
  • Y10T74/19953 - Worm and helical

• US Classifications

  • 074 - Machine element or mechanism
  • 024 - Buckles, buttons, clasps, etc.
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener