938991

Information

• Patent Grant
• 938991

• References
• Source

• Patent Number

  938,991

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1909
  115 years ago

• CPC

  • E05B37/163 - the knobs being pushed in a prescribed sequence
  • Y10T70/5814 - Push pin or button

• US Classifications

  • 070 - Locks