3881292

Information

• Patent Grant
• 3881292

• References
• Source

• Patent Number

  3,881,292

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1975
  49 years ago

• CPC

  • E04B1/7641 - Elements for window or door openings, or for corners of the building
  • E04B1/7612 - in combination with an air space
  • E04B1/7675 - Insulating linings for the interior face of exterior walls
  • E04C2/296 - composed of insulating material and non-metallic or unspecified sheet-material
  • E04B2001/386 - Nailable or screwable inserts for foam panels

• US Classifications

  • 052 - Static structures