2331489

Information

• Patent Grant
• 2331489

• References
• Source

• Patent Number

  2,331,489

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1943
  81 years ago

• CPC

  • A44B1/30 - Screw-buttons
  • A44B11/28 - with hooks engaging end-pieces on the strap
  • Y10T24/45942 - having threaded formation
  • Y10T24/45984 - Cavity having specific shape

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener