3486978

Information

• Patent Grant
• 3486978

• References
• Source

• Patent Number

  3,486,978

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  54 years ago

• CPC

  • G21C13/0933 - made of prestressed concrete
  • C10B25/14 - Devices for lifting doors
  • E04H7/20 - Prestressed constructions
  • Y02E30/40 - Other aspects relating to nuclear fission

• US Classifications

  • 376 - Induced nuclear reactions: processes, systems, and elements
  • 052 - Static structures
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 976 - Nuclear technology