1900185

Information

• Patent Grant
• 1900185

• References
• Source

• Patent Number

  1,900,185

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1933
  91 years ago

• CPC

  • E05B35/14 - with keys of which different parts operate separate mechanisms
  • Y10T70/7458 - Interdependent
  • Y10T70/7831 - Nested second key

• US Classifications

  • 070 - Locks