2120142

Information

• Patent Grant
• 2120142

• References
• Source

• Patent Number

  2,120,142

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1938
  86 years ago

• CPC

  • E05B37/166 - each knob being pushed a predetermined number of times
  • Y10T70/7271 - Associated movable operator
  • Y10T70/7311 - Step-by-step

• US Classifications

  • 070 - Locks