3621690

Information

• Patent Grant
• 3621690

• References
• Source

• Patent Number

  3,621,690

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • A45C11/321 - combined with other articles
  • A44B15/00 - Key-rings
  • A44D2203/00 - Fastening by use of magnets
  • Y10T24/32 - having magnetic fastener
  • Y10T24/45822 - Partially blocking separate, nonresilient, access opening of cavity
  • Y10T70/8676 - Key holders

• US Classifications

  • 070 - Locks
  • 024 - Buckles, buttons, clasps, etc.