3643393

Information

• Patent Grant
• 3643393

• References
• Source

• Patent Number

  3,643,393

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  53 years ago

• CPC

  • E04F19/022 - for use at vertical intersections of walls
  • E04B2/80 - with framework or posts of wood

• US Classifications

  • 052 - Static structures