US PATENT SUBCLASS 242 / 118
BOBBIN OR SPOOL

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

118BOBBIN OR SPOOL {5}
118.1  DF  .~> Open-work structure {1}
118.2  DF  .~> Resilient
118.3  DF  .~> Cop-tube type (i.e., headless or single-headed tube) {2}
118.4  DF  .~> Double-headed spool {4}
125  DF  .~> Thread fastener or guide {1}

DEFINITION

Classification: 242/118

Miscellaneous bobbins, cop tubes, or other cores upon which silk, thread, cord, twine, wire, or other cordage may be wound.

SEE OR SEARCH THIS CLASS, SUBCLASS:

159+, for a wound strand package including a core.

SEE OR SEARCH CLASS

68, Textiles: Fluid Treating Apparatus, particularly

189, and 198 for wound package holders permitting axial fluid access.

206, Special Receptacle or Package,

389+,. 335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

220+, appropriate subclasses, among these include spools usually of magnetic material to support coils for electromagnets of the lifting, traction and related types.

336, Inductor Devices,

185, and 208 for coil supports for plural coil and single coil windings respectively, for inductive devices. In addition, appropriate subclasses of Class 336 include supports of magnetic material for inductive devices.

338, Electrical Resistors,

321, for resistance element cores and frames.

400, Typewriting Machines,

583.4, for typewriter ribbon spools.

492, Roll or Roller, for a roll, per se, not elsewhere provided for, and see the notes thereunder.