1375781

Information

• Patent Grant
• 1375781

• References
• Source

• Patent Number

  1,375,781

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1921
  103 years ago

• CPC

  • F16B37/0878 - in one piece
  • Y10S411/955 - Locked bolthead or nut

• US Classifications

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