1686819

Information

• Patent Grant
• 1686819

• References
• Source

• Patent Number

  1,686,819

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1928
  96 years ago

• CPC

  • E06B3/7009 - Door leaves with two similar parts placed one above the other, pivoting separately
  • E06B5/00 - Doors, windows, or like closures for special purposes Border constructions therefor

• US Classifications

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