3302672

Information

• Patent Grant
• 3302672

• References
• Source

• Patent Number

  3,302,672

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1967
  57 years ago

• CPC

  • B25B15/004 - characterised by cross-section
  • F16B23/0076 - causing slipping of the tool in loosening rotation
  • Y10S411/911 - One-way drive
  • Y10S411/919 - Screw having driving contacts

• US Classifications

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