3857142

Information

• Patent Grant
• 3857142

• References
• Source

• Patent Number

  3,857,142

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • B21F45/00 - Wire-working in the manufacture of other particular articles
  • A45C11/323 - with key hangers
  • F16B45/02 - Hooks with a pivoting or elastically bending closing member
  • Y10T24/45424 - Gate and hook formed solely from wire

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.
  • 072 - Metal deforming