3321222

Information

• Patent Grant
• 3321222

• References
• Source

• Patent Number

  3,321,222

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1967
  57 years ago

• CPC

  • E04G7/304 - with tying means for connecting the bars or members
  • Y10T403/7123 - Traversed by connector
  • Y10T403/7152 - Lapped rod ends
  • Y10T403/7194 - Crossed rods

• US Classifications

  • 403 - Joints and connections
  • 052 - Static structures
  • 182 - Fire escape, ladder, or scaffold