3090083

Information

• Patent Grant
• 3090083

• References
• Source

• Patent Number

  3,090,083

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1963
  62 years ago

• CPC

  • E06B3/223 - the hollow frame members comprising several U-shaped parts assembled around a reinforcing core member

• US Classifications

  • 052 - Static structures
  • 049 - Movable or removable closures