3522923

Information

• Patent Grant
• 3522923

• References
• Source

• Patent Number

  3,522,923

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  54 years ago

• CPC

  • E04B9/248 - by means of permanent magnetic force held against the underside of the supporting construction
  • E04B9/363 - the principal plane of the slats being horizontal
  • Y10S55/06 - Magnetic couplings

• US Classifications

  • 052 - Static structures
  • 055 - Gas separation