3896589

Information

• Patent Grant
• 3896589

• References
• Source

• Patent Number

  3,896,589

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1975
  50 years ago

• CPC

  • E06B3/677 - Evacuating or filling the gap between the panes; Equilibration of inside and outside pressure Preventing condensation in the gap between the panes Cleaning the gap between the panes
  • E06B1/34 - Coverings
  • E06B3/2634 - without separate insulating elements
  • E06B3/26341 - comprising only one metal frame member combined with an insulating frame member
  • E06B3/26347 - specially adapted for sliding doors or windows
  • E06B3/4609 - for windows
  • E06B3/66319 - of rubber, plastics or similar materials
  • E06B3/6715 - specially adapted for increased thermal insulation or for controlled passage of light
  • Y10S49/01 - Thermal breaks for frames

• US Classifications

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