2237987

Information

• Patent Grant
• 2237987

• References
• Source

• Patent Number

  2,237,987

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1941
  83 years ago

• CPC

  • E05F17/00 - Special devices for shifting a plurality of wings operated simultaneously
  • E06B3/01 - Removable or disappearing walls for hangars or other halls
  • E05Y2900/108 - for hangars
  • E06B3/7009 - Door leaves with two similar parts placed one above the other, pivoting separately

• US Classifications

  • 049 - Movable or removable closures