3406485

Information

• Patent Grant
• 3406485

• References
• Source

• Patent Number

  3,406,485

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1968
  56 years ago

• CPC

  • E06B3/223 - the hollow frame members comprising several U-shaped parts assembled around a reinforcing core member
  • E04B2/78 - characterised by special cross-section of the frame-members as far as important for securing wall panels to a framework with or without the help of cover-strips
  • E06B3/305 - Covering metal frames with plastic or metal profiled members

• US Classifications

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