3676966

Information

• Patent Grant
• 3676966

• References
• Source

• Patent Number

  3,676,966

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 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
  • E06B1/18 - composed of several parts with respect to the cross-section of the frame itself

• US Classifications

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