425004

Information

• Patent Grant
• 425004

• References
• Source

• Patent Number

  425,004

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1890
  134 years ago

• CPC

  • G04C21/32 - giving indications at a number of places each at a different time

• US Classifications

  • 368 - Horology: time measuring systems or devices