2877876

Information

• Patent Grant
• 2877876

• References
• Source

• Patent Number

  2,877,876

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1959
  65 years ago

• CPC

  • E06B3/26336 - with two metal frame members having interpenetrating or overlapping parts when mounted
  • E06B2003/26327 - with separate thin walled inserts
  • E06B2003/26329 - the insulating strips between the metal sections being interconnected
  • Y10S49/01 - Thermal breaks for frames

• US Classifications

  • 052 - Static structures
  • 049 - Movable or removable closures
  • 138 - Pipes and tubular conduits
  • 160 - Flexible or portable closure, partition, or panel