3683555

Information

• Patent Grant
• 3683555

• References
• Source

• Patent Number

  3,683,555

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • E06B3/726 - of metal
  • E06B2003/7046 - with provisions for locks, hinges or other fittings

• US Classifications

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