1877358

Information

• Patent Grant
• 1877358

• References
• Source

• Patent Number

  1,877,358

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1932
  92 years ago

• CPC

  • G04D3/065 - Shaping by removing material
  • Y10T29/5177 - and work-holder for assembly
  • Y10T29/5347 - Crystal to watch or clock
  • Y10T409/303752 - Process

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 029 - Metal working
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology