1793333

Information

• Patent Grant
• 1793333

• References
• Source

• Patent Number

  1,793,333

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1931
  94 years ago

• CPC

  • G04D7/1285 - whereby the adjustment device works on the mainspring

• US Classifications

  • 073 - Measuring and testing
  • 968 - Horology