198721

Information

• Patent Grant
• 198721

• References
• Source

• Patent Number

  198,721

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1877
  147 years ago

• CPC

  • E05B43/00 - Time locks
  • Y10S70/50 - Time lock, fluid-controlled
  • Y10T70/7006 - Predetermined time interval controlled

• US Classifications

  • 070 - Locks