2927354

Information

• Patent Grant
• 2927354

• References
• Source

• Patent Number

  2,927,354

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1960
  64 years ago

• CPC

  • E06B3/968 - characterised by the way the connecting pieces are fixed in or on the frame members
  • E06B3/222 - with internal prefabricated reinforcing section members inserted after manufacturing of the hollow frame
  • E06B3/9616 - characterised by the sealing at the junction of the frame members
  • E06B2003/226 - by adhesives or filling up the remainder of the cavity

• US Classifications

  • 049 - Movable or removable closures
  • 052 - Static structures
  • D25 - Building units and construction elements