2747863

Information

• Patent Grant
• 2747863

• References
• Source

• Patent Number

  2,747,863

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1956
  68 years ago

• CPC

  • E05F15/67 - operated by flexible or rigid rack-and-pinion arrangements
  • E05F15/684 - by chains
  • E05Y2201/434 - Electromotors Details thereof
  • E05Y2201/604 - Transmission members
  • E05Y2201/642 - Trackless carriers
  • E05Y2201/656 - Chains
  • E05Y2201/708 - Sliders
  • E05Y2600/46 - in or on the wing
  • E05Y2900/106 - for garages

• US Classifications

  • 318 - Electricity: motive power systems
  • 049 - Movable or removable closures