1767935

Information

• Patent Grant
• 1767935

• References
• Source

• Patent Number

  1,767,935

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1930
  94 years ago

• CPC

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

• US Classifications

  • 081 - Tools
  • 029 - Metal working
  • 033 - Geometrical instruments
  • 269 - Work holders
  • 968 - Horology