1685023

Information

• Patent Grant
• 1685023

• References
• Source

• Patent Number

  1,685,023

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1928
  96 years ago

• CPC

  • E05F5/04 - hand-operated
  • E05F2005/043 - operated by centrifugal action at high closing speed
  • E05Y2900/132 - Doors
  • Y10T16/615 - Inertia

• US Classifications

  • 016 - Miscellaneous hardware