3788019

Information

• Patent Grant
• 3788019

• References
• Source

• Patent Number

  3,788,019

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  50 years ago

• CPC

  • E06B1/6023 - completely hidden between the frame and the border of the opening, at least part of the means being previously fixed to the wall
  • E06B1/20 - adjustable with respect to the thickness of walls

• US Classifications

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