1817909

Information

• Patent Grant
• 1817909

• References
• Source

• Patent Number

  1,817,909

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1931
  93 years ago

• CPC

  • E05F15/684 - by chains
  • E05Y2201/434 - Electromotors Details thereof
  • E05Y2201/604 - Transmission members
  • E05Y2201/656 - Chains
  • E05Y2201/708 - Sliders
  • E05Y2600/46 - in or on the wing
  • E05Y2900/106 - for garages
  • Y10S16/31 - Pulley

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 016 - Miscellaneous hardware
  • 049 - Movable or removable closures