3022549

Information

• Patent Grant
• 3022549

• References
• Source

• Patent Number

  3,022,549

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1962
  62 years ago

• CPC

  • E06B9/264 - Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes Lamellar blinds with special devices
  • Y10S160/16 - Magnetic
  • Y10T137/2947 - Gas pressure controlled by amount of liquid in trap

• US Classifications

  • 049 - Movable or removable closures
  • 052 - Static structures
  • 137 - Fluid handling
  • 160 - Flexible or portable closure, partition, or panel