2644497

Information

• Patent Grant
• 2644497

• References
• Source

• Patent Number

  2,644,497

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1953
  71 years ago

• CPC

  • B28B23/22 - assembled from preformed parts
  • E04C5/122 - the tensile members are anchored by wedge-action
  • Y10S52/07 - Synthetic building materials, reinforcements and equivalents

• US Classifications

  • 052 - Static structures
  • 269 - Work holders