3571996

Information

• Patent Grant
• 3571996

• References
• Source

• Patent Number

  3,571,996

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1971
  53 years ago

• CPC

  • E06B1/6069 - Separate spacer means acting exclusively in the plane of the opening; Shims; Wedges; Tightening of a complete frame inside a wall opening
  • E06B3/9885 - Mitre joints

• US Classifications

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