3320705

Information

• Patent Grant
• 3320705

• References
• Source

• Patent Number

  3,320,705

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1967
  57 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

• US Classifications

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