2972838

Information

• Patent Grant
• 2972838

• References
• Source

• Patent Number

  2,972,838

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1961
  64 years ago

• CPC

  • E04B2/64 - with elongated members of concrete
  • E04B2/66 - characterised by special cross-section of the elongated members
  • E04B2/84 - Walls made by casting, pouring, or tamping in situ

• US Classifications

  • 052 - Static structures