1813441

Information

• Patent Grant
• 1813441

• References
• Source

• Patent Number

  1,813,441

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1931
  93 years ago

• CPC

  • E05B43/00 - Time locks
  • Y10T70/7023 - Repeating interval
  • Y10T70/704 - Continuously operating once initiated

• US Classifications

  • 070 - Locks