3703063

Information

• Patent Grant
• 3703063

• References
• Source

• Patent Number

  3,703,063

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1972
  52 years ago

• CPC

  • E06B3/5821 - hooked on or in the frame member, fixed by clips or otherwise elastically fixed
  • E06B3/222 - with internal prefabricated reinforcing section members inserted after manufacturing of the hollow frame
  • E06B3/60 - of clamping cleats of metal
  • E06B3/362 - Double winged doors or windows

• US Classifications

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