3172377

Information

• Patent Grant
• 3172377

• References
• Source

• Patent Number

  3,172,377

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1965
  59 years ago

• CPC

  • E04H9/08 - Structures arranged underneath buildings
  • Y10T137/8811 - Frangible

• US Classifications

  • 109 - Safes, bank protection, or a related device
  • 052 - Static structures
  • 137 - Fluid handling