3067993

Information

• Patent Grant
• 3067993

• References
• Source

• Patent Number

  3,067,993

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1962
  62 years ago

• CPC

  • E05F15/53 - for swinging wings
  • Y10S60/903 - Closures operators

• US Classifications

  • 060 - Power plants
  • 049 - Movable or removable closures
  • 092 - Expansible chamber devices