2690644

Information

• Patent Grant
• 2690644

• References
• Source

• Patent Number

  2,690,644

• 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
  • Y10S411/991 - Transversely sliding

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 968 - Horology