3616667

Information

• Patent Grant
• 3616667

• References
• Source

• Patent Number

  3,616,667

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • E05B37/163 - the knobs being pushed in a prescribed sequence
  • Y10T70/7147 - Combination or key
  • Y10T70/7237 - Rotary or swinging tumblers
  • Y10T70/7311 - Step-by-step
  • Y10T70/7316 - Combination upsetting
  • Y10T70/7367 - Tumbler structure and position

• US Classifications

  • 070 - Locks