506318

Information

• Patent Grant
• 506318

• References
• Source

• Patent Number

  506,318

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1893
  132 years ago

• CPC

  • E06B3/44 - Vertically-sliding wings
  • Y10T16/642 - Friction roller

• US Classifications

  • 049 - Movable or removable closures
  • 016 - Miscellaneous hardware