3579724

Information

• Patent Grant
• 3579724

• References
• Source

• Patent Number

  3,579,724

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • E06B3/277 - with prefabricated insulating elements held in position by expansion of the extremities of the insulating elements
  • E06B3/26307 - Insulating strips and metal section members both having L-shaped ribs, the engagement being made by a movement transversal to the plane of the strips
  • E06B3/9608 - Mitre joints
  • E06B3/9682 - Mitre joints
  • E06B2003/26309 - using glue
  • E06B2003/26354 - filled
  • Y10S49/01 - Thermal breaks for frames

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 049 - Movable or removable closures
  • 052 - Static structures