3344817

Information

• Patent Grant
• 3344817

• References
• Source

• Patent Number

  3,344,817

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1967
  57 years ago

• CPC

  • C21D9/0093 - for screws; for bolts
  • C23C8/04 - Treatment of selected surface areas
  • Y10S148/907 - Threaded or headed fastener
  • Y10T29/49986 - Subsequent to metal working

• US Classifications

  • 148 - Metal treatment
  • 029 - Metal working
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener