1489958

Information

• Patent Grant
• 1489958

• References
• Source

• Patent Number

  1,489,958

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1924
  100 years ago

• CPC

  • E05B39/04 - with counting or registering devices
  • Y10T70/8054 - With recorder

• US Classifications

  • 070 - Locks
  • 346 - Recorders