1538479

Information

• Patent Grant
• 1538479

• References
• Source

• Patent Number

  1,538,479

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1925
  99 years ago

• CPC

  • E05B37/166 - each knob being pushed a predetermined number of times
  • Y10T70/7215 - Individually set sliding tumblers
  • Y10T70/7311 - Step-by-step
  • Y10T70/7316 - Combination upsetting

• US Classifications

  • 070 - Locks