1321796

Information

• Patent Grant
• 1321796

• References
• Source

• Patent Number

  1,321,796

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1919
  105 years ago

• CPC

  • F16B39/24 - by means of washers, spring washers, or resilient plates that lock against the object
  • Y10S411/919 - Screw having driving contacts
  • Y10S411/974 - Side lock
  • Y10T70/7203 - With ball or roller

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 070 - Locks