1981121

Information

• Patent Grant
• 1981121

• References
• Source

• Patent Number

  1,981,121

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1934
  90 years ago

• CPC

  • E05B37/0037 - with a key requiring successive operations
  • E05B63/14 - Arrangement of several locks or locks with several bolts
  • Y10T70/5279 - Key operable only

• US Classifications

  • 070 - Locks