458178

Information

• Patent Grant
• 458178

• References
• Source

• Patent Number

  458,178

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1891
  133 years ago

• CPC

  • G04C21/205 - by the hand(s) or handlike members closing the contact

• US Classifications

  • 368 - Horology: time measuring systems or devices