2690645

Information

• Patent Grant
• 2690645

• References
• Source

• Patent Number

  2,690,645

• Date Filed

  Not available

• Date Issued

  Tuesday, October 5, 1954
  70 years ago

• CPC

  • G04B3/041 - Construction of crowns for rotating movement; connection with the winding stem; winding stems
  • Y10T29/49586 - having crown, stem, or pendent
  • Y10T29/49918 - At cup or tube end
  • Y10T29/49934 - by axially applying force

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 029 - Metal working
  • 968 - Horology