3420030

Information

• Patent Grant
• 3420030

• References
• Source

• Patent Number

  3,420,030

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • E04G7/305 - without tying means for connecting the bars or members
  • E04G11/48 - Supporting structures for shutterings or frames for floors or roofs

• US Classifications

  • 052 - Static structures
  • 182 - Fire escape, ladder, or scaffold
  • 248 - Supports