3451168

Information

• Patent Grant
• 3451168

• References
• Source

• Patent Number

  3,451,168

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1969
  55 years ago

• CPC

  • E06B3/44 - Vertically-sliding wings
  • E06B1/6046 - Clamping means acting perpendicular to the wall opening; Fastening frames by tightening or drawing them against a surface parallel to the opening
  • E06B2003/4469 - with at least two frames made from different materials
  • E06B2003/4492 - provided with screens

• US Classifications

  • 049 - Movable or removable closures