1438164

Information

• Patent Grant
• 1438164

• References
• Source

• Patent Number

  1,438,164

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1922
  102 years ago

• CPC

  • E05B63/123 - with circular bolts
  • Y10S70/39 - Cylinder and knob connection
  • Y10T70/5345 - Swinging
  • Y10T70/535 - Keeper and housing interlocking
  • Y10T70/8946 - Emergency unlocking or release arrangements
  • Y10T292/1087 - Screw catch
  • Y10T292/1089 - Sliding catch

• US Classifications

  • 070 - Locks
  • 292 - Closure fasteners