3909981

Information

• Patent Grant
• 3909981

• References
• Source

• Patent Number

  3,909,981

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1975
  49 years ago

• CPC

  • E05D15/463 - specially adapted for overhead wings
  • E05D15/32 - with two pairs of pivoted arms
  • E05F15/63 - operated by swinging arms
  • E05F15/678 - operated by swinging lever arms
  • E05Y2201/434 - Electromotors Details thereof
  • E05Y2600/46 - in or on the wing
  • E05Y2900/106 - for garages
  • E05Y2900/40 - for gates

• US Classifications

  • 049 - Movable or removable closures