2220591

Information

• Patent Grant
• 2220591

• References
• Source

• Patent Number

  2,220,591

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1940
  85 years ago

• CPC

  • E05C1/163 - Cylindrical or tubular latches
  • Y10T70/5456 - Interior manual bolt-manipulator serves as dog-controller
  • Y10T292/0984 - Rollback members located on separate spindles
  • Y10T292/0986 - Discrete push or pull actuator

• US Classifications

  • 292 - Closure fasteners
  • 070 - Locks