2668349

Information

• Patent Grant
• 2668349

• References
• Source

• Patent Number

  2,668,349

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1954
  71 years ago

• CPC

  • B21F3/00 - Coiling wire into particular forms
  • G04D1/041 - for springs of driving mechanisms
  • Y10T29/53478 - with magazine supply
  • Y10T29/53626 - Flat spiral spring [e.g., watch or clock type]

• US Classifications

  • 029 - Metal working
  • 081 - Tools
  • 134 - Cleaning and liquid contact with solids
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 968 - Horology