3808852

Information

• Patent Grant
• 3808852

• References
• Source

• Patent Number

  3,808,852

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • E05B37/166 - each knob being pushed a predetermined number of times
  • Y10T70/7147 - Combination or key
  • Y10T70/7311 - Step-by-step
  • Y10T70/7316 - Combination upsetting

• US Classifications

  • 070 - Locks