1689519

Information

• Patent Grant
• 1689519

• References
• Source

• Patent Number

  1,689,519

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1928
  96 years ago

• CPC

  • E06B3/44 - Vertically-sliding wings
  • E06B2003/4453 - Metal
  • Y10S160/12 - Overlapping, on windows

• US Classifications

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