3881294

Information

• Patent Grant
• 3881294

• References
• Source

• Patent Number

  3,881,294

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1975
  49 years ago

• CPC

  • E06B3/5454 - inside U-shaped section members
  • E06B1/18 - composed of several parts with respect to the cross-section of the frame itself
  • E06B3/9687 - with screws blocking the connecting piece inside or on the frame member
  • E06B2003/5463 - in a preassembled frame, the pane being consecutively introduced obliquely, rotated and shifted

• US Classifications

  • 052 - Static structures