458490

Information

• Patent Grant
• 458490

• References
• Source

• Patent Number

  458,490

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1891
  133 years ago

• CPC

  • G04B19/2578 - driven or released by their own energy source which is released at regular time intervals

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology