3377889

Information

• Patent Grant
• 3377889

• References
• Source

• Patent Number

  3,377,889

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1968
  57 years ago

• CPC

  • G04D3/0012 - for parts of the winding-up mechanism
  • G04B37/066 - Divided stem (tige brisee)
  • Y10T408/56245 - including tool-guide [or bushing]

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 968 - Horology