1941454

Information

• Patent Grant
• 1941454

• References
• Source

• Patent Number

  1,941,454

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1934
  91 years ago

• CPC

  • E05F15/63 - operated by swinging arms
  • E05Y2201/236 - using force or torque
  • E05Y2201/244 - by manual operation
  • E05Y2201/248 - characterised by the transmission
  • E05Y2201/434 - Electromotors Details thereof
  • E05Y2600/46 - in or on the wing
  • E05Y2800/11 - Manual wing operation
  • E05Y2900/132 - Doors

• US Classifications

  • 049 - Movable or removable closures