3715848

Information

• Patent Grant
• 3715848

• References
• Source

• Patent Number

  3,715,848

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1973
  51 years ago

• CPC

  • E06B1/6046 - Clamping means acting perpendicular to the wall opening; Fastening frames by tightening or drawing them against a surface parallel to the opening
  • E04B1/62 - Insulation or other protection Elements or use of specified material therefor
  • E04B2/90 - comprising panels directly attached to the structure
  • E04B2/96 - comprising panels attached to the structure through mullions or transoms

• US Classifications

  • 052 - Static structures