2668340

Information

• Patent Grant
• 2668340

• References
• Source

• Patent Number

  2,668,340

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1954
  70 years ago

• CPC

  • A44B17/0088 - made from sheet metal
  • A44B17/0052 - Press-button fasteners consisting of four parts
  • Y10T24/45874 - having axially extending expansion slit along side of cavity
  • Y10T24/45932 - and encircling cavity or projection
  • Y10T24/45937 - Consisting of thermally fusible substance

• US Classifications

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