3878660

Information

• Patent Grant
• 3878660

• References
• Source

• Patent Number

  3,878,660

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  49 years ago

• CPC

  • E06B3/6205 - having on at least one lateral side no backing from a separate rigid glazing bead or other stiff part of the window frame
  • 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
  • E06B2003/2637 - reinforced
  • E06B2003/26374 - with parts of differing nature
  • E06B2003/6223 - with protruding parts anchored in grooves
  • E06B2003/6226 - with locking strips
  • E06B2003/6247 - with extra parts sealing against the fixed or another window frame
  • Y10S49/01 - Thermal breaks for frames

• US Classifications

  • 052 - Static structures
  • 049 - Movable or removable closures