2704588

Information

• Patent Grant
• 2704588

• References
• Source

• Patent Number

  2,704,588

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1955
  69 years ago

• CPC

  • E06B3/9684 - by hooking protrusions on the connecting piece in openings of the frame member
  • E06B1/56 - Fastening frames to the border of openings or to similar contiguous frames
  • E06B3/12 - of metal
  • E06B3/44 - Vertically-sliding wings
  • E06B2003/4453 - Metal
  • E06B2003/4492 - provided with screens

• US Classifications

  • 052 - Static structures