3001247

Information

• Patent Grant
• 3001247

• References
• Source

• Patent Number

  3,001,247

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1961
  63 years ago

• CPC

  • E05D13/06 - with notches for vertically sliding wings

• US Classifications

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