249536

Information

• Patent Grant
• 249536

• References
• Source

• Patent Number

  249,536

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1881
  143 years ago

• CPC

  • G04B19/2532 - automatically corrected at the end of mounths having less than 31 days

• US Classifications

  • 368 - Horology: time measuring systems or devices