3747870

Information

• Patent Grant
• 3747870

• References
• Source

• Patent Number

  3,747,870

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • B21C47/34 - Feeding or guiding devices not specially adapted to a particular type of apparatus
  • B21C47/28 - Drums or other coil-holders
  • B65D85/04 - for coils of wire, rope, or hose
  • B65H49/38 - Skips, cages, racks, or containers, adapted solely for the transport or storage of bobbins, cops, or the like
  • B65H75/141 - covers therefor
  • B65H2701/361 - Semiconductor bonding wires

• US Classifications

  • 242 - Winding, tensioning, or guiding