3380192

Information

• Patent Grant
• 3380192

• References
• Source

• Patent Number

  3,380,192

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1968
  56 years ago

• CPC

  • E06B5/16 - Fireproof doors or similar closures Adaptations of fixed constructions therefor
  • E06B2003/7057 - with little passing through doors

• US Classifications

  • 049 - Movable or removable closures