2189712

Information

• Patent Grant
• 2189712

• References
• Source

• Patent Number

  2,189,712

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1940
  85 years ago

• CPC

  • E05B65/0071 - for revolving doors
  • Y10S70/18 - Revolving door lock
  • Y10T70/5341 - Key operable only
  • Y10T70/7531 - Transverse
  • Y10T70/7554 - Cylinder type with auxiliary tumblers or wards

• US Classifications

  • 070 - Locks