1390775

Information

• Patent Grant
• 1390775

• References
• Source

• Patent Number

  1,390,775

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1921
  103 years ago

• CPC

  • F16B39/20 - by means of steel wire or the like
  • Y10S411/944 - Flexible key

• US Classifications

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