340508

Information

• Patent Grant
• 340508

• References
• Source

• Patent Number

  340,508

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1886
  138 years ago

• CPC

  • G04B19/085 - varying from the normal 12 hour arrangement

• US Classifications

  • 368 - Horology: time measuring systems or devices