3551920

Information

• Patent Grant
• 3551920

• References
• Source

• Patent Number

  3,551,920

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • E04H4/0062 - characterised by stacked planks or staves
  • E04H2004/146 - Fixing of liners

• US Classifications

  • 052 - Static structures
  • 256 - Fences
  • D25 - Building units and construction elements