3377747

Information

• Patent Grant
• 3377747

• References
• Source

• Patent Number

  3,377,747

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1968
  56 years ago

• CPC

  • E06B3/9685 - Mitre joints
  • E06B3/44 - Vertically-sliding wings
  • E06B3/9648 - Mitre joints
  • E06B2003/4453 - Metal
  • E06B2003/4461 - Plastics
  • E06B2003/4469 - with at least two frames made from different materials
  • E06B2003/4492 - provided with screens

• US Classifications

  • 049 - Movable or removable closures