3449884

Information

• Patent Grant
• 3449884

• References
• Source

• Patent Number

  3,449,884

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1969
  55 years ago

• CPC

  • E04H7/065 - roof constructions
  • Y10T29/49826 - Assembling or joining

• US Classifications

  • 052 - Static structures
  • 029 - Metal working
  • D25 - Building units and construction elements