3443349

Information

• Patent Grant
• 3443349

• References
• Source

• Patent Number

  3,443,349

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1969
  55 years ago

• CPC

  • E04C2/26 - composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
  • E04F15/02423 - filled with core material
  • Y10T428/24289 - Embedded or interlocked

• US Classifications

  • 052 - Static structures
  • 428 - Stock material or miscellaneous articles