3171175

Information

• Patent Grant
• 3171175

• References
• Source

• Patent Number

  3,171,175

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1965
  60 years ago

• CPC

  • B28D5/00 - Fine working of gems, jewels, crystals
  • B23K31/00 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
  • B23K31/02 - relating to soldering or welding
  • B23P5/00 - Setting gems or the like on metal parts
  • G11B3/48 - Needles contains no documents

• US Classifications

  • 164 - Metal founding
  • 249 - Static molds