1808609

Information

• Patent Grant
• 1808609

• References
• Source

• Patent Number

  1,808,609

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1931
  93 years ago

• CPC

  • E06B3/44 - Vertically-sliding wings
  • Y10S292/70 - Weather strip and sash fastener combined
  • Y10T292/088 - Spring arm

• US Classifications

  • 049 - Movable or removable closures
  • 292 - Closure fasteners