3310132

Information

• Patent Grant
• 3310132

• References
• Source

• Patent Number

  3,310,132

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1967
  57 years ago

• CPC

  • E04F11/028 - having a central stringer

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 052 - Static structures
  • D25 - Building units and construction elements