3566564

Information

• Patent Grant
• 3566564

• References
• Source

• Patent Number

  3,566,564

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1971
  53 years ago

• CPC

  • E06B5/16 - Fireproof doors or similar closures Adaptations of fixed constructions therefor
  • E06B5/164 - Sealing arrangements between the door or window and its frame
  • E06B3/822 - with an internal foursided frame
  • E06B2003/7021 - consisting of wooden strips filling the whole door
  • E06B2003/7051 - of layered construction involving different materials
  • E06B2003/7059 - Specific frame characteristics

• US Classifications

  • 052 - Static structures