648502

Information

• Patent Grant
• 648502

• References
• Source

• Patent Number

  648,502

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1900
  125 years ago

• CPC

  • F16B39/32 - Locking by means of a pawl or pawl-like tongue
  • Y10S411/981 - Coiled washer

• US Classifications

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