3827019

Information

• Patent Grant
• 3827019

• References
• Source

• Patent Number

  3,827,019

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1974
  50 years ago

• CPC

  • A41F1/002 - Magnetic fastening devices
  • Y10S160/16 - Magnetic
  • Y10T292/11 - Magnetic

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 135 - Tent, canopy, umbrella, or cane
  • 160 - Flexible or portable closure, partition, or panel
  • 292 - Closure fasteners