2720920

Information

• Patent Grant
• 2720920

• References
• Source

• Patent Number

  2,720,920

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1955
  69 years ago

• CPC

  • E06B3/78 - with panels of plastics
  • E06B3/822 - with an internal foursided frame
  • E06B3/80 - flexible
  • E06B2003/7032 - of non-vegetal fibrous material
  • Y10S160/08 - Flexible door

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 049 - Movable or removable closures