2852909

Information

• Patent Grant
• 2852909

• References
• Source

• Patent Number

  2,852,909

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1958
  66 years ago

• CPC

  • G04B18/026 - Locking the hair spring in the indexing device

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology