3555646

Information

• Patent Grant
• 3555646

• References
• Source

• Patent Number

  3,555,646

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  54 years ago

• CPC

  • B21D43/02 - Advancing work in relation to the stroke of the die or tool
  • G04D3/0048 - for dials
  • Y10T29/49583 - having indicia, face, or dial
  • Y10T29/49794 - Dividing on common outline
  • Y10T29/49995 - Shaping one-piece blank by removing material

• US Classifications

  • 029 - Metal working
  • 968 - Horology