3114153

Information

• Patent Grant
• 3114153

• References
• Source

• Patent Number

  3,114,153

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1963
  61 years ago

• CPC

  • E04H9/12 - entirely underneath the level of the ground
  • E04H4/086 - Sliding covers

• US Classifications

  • 052 - Static structures
  • 004 - Baths, closets, sinks, and spittoons
  • 114 - Ships
  • D25 - Building units and construction elements