3324521

Information

• Patent Grant
• 3324521

• References
• Source

• Patent Number

  3,324,521

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1967
  57 years ago

• CPC

  • E05C19/16 - Device holding the wing by magnetic or electromagnetic attraction
  • A41F1/002 - Magnetic fastening devices
  • A44D2203/00 - Fastening by use of magnets
  • Y10S55/06 - Magnetic couplings
  • Y10T24/32 - having magnetic fastener

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.
  • 055 - Gas separation
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets