2877642

Information

• Patent Grant
• 2877642

• References
• Source

• Patent Number

  2,877,642

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1959
  66 years ago

• CPC

  • G04D7/009 - with regard to the functioning of the automatic winding-up device
  • Y10T74/19195 - Progressive

• US Classifications

  • 073 - Measuring and testing
  • 074 - Machine element or mechanism
  • 968 - Horology