2287964

Information

• Patent Grant
• 2287964

• References
• Source

• Patent Number

  2,287,964

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1942
  82 years ago

• CPC

  • E01B3/06 - Anti-cracking dogs

• US Classifications

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