US Patent Class 229
ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES-- Main Headings



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Current as of: June, 1999
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CLASS NOTES
100  DF  PAPERBOARD BOX {54}
67.1  DF  FILE FOLDER OR FILE ENVELOPE {3}
68.1  DF  ENVELOPE {10}
87.01  DF  WRAPPER {17}
92.8  DF  POSTAL CARDS OR PACKETS
92.9  DF  COIN CARDS
400  DF  PAPER OR PAPERBOARD CUP {5}
406  DF  MOLDED OR PRESSED CONTAINER {1}
800  DF  MISCELLANEOUS
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CROSS-REFERENCE ART COLLECTIONS
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900  DF  INCLUDING MEANS TO FACILITATE HANDLING BY A MECHANICAL APPARATUS DURING MANUFACTURING OR FILLING
901  DF  BOX STRUCTURE ALTERNATIVELY USEABLE AS A CONTAINER OR A LID
902  DF  BOX FOR PREPARED OR PROCESSED FOOD {5}
906.1  DF  CUP LID WITH MEANS FOR FORMING A DRINKING OPENING
907  DF  TRASH BOX
908  DF  PAINT TRAY
909  DF  CIGAR BOX
910  DF  BUCKET OR PAIL TYPE (I.E., LIQUID PROOF CONTAINER WITH HANDLE) {1}
913  DF  DRAWER-TYPE
914  DF  BASKET-TYPE WITH HANDLE
915  DF  STACKING FEATURE {5}
920  DF  STRESS RELIEF
921  DF  WITH MAILING INDICIA
922  DF  WITH DECORATIVE FEATURE {1}
924  DF  MEANS TO FACILITATE GRIPPING A TEAR STRIP {2}
927  DF  MEANS FOR TEARING OR BREAKING RIGID OR SEMIRIGID THERMOPLASTIC CONTAINER
928  DF  EXPANDABLE ENVELOPE
929  DF  VENTED ENVELOPE
930  DF  FOLD DETAIL {1}
932  DF  ICE CREAM CONE CARRIER
933  DF  MATING CONTAINER BLANKS {4}
938  DF  SANDWICH HOLDER
939  DF  CONTAINER MADE OF CORRUGATED PAPER OR CORRUGATED PAPERBOARD
940  DF  CONTAINER MATERIAL WITH SPECIFIED GRAIN DIRECTION
941  DF  BOX HAVING JOINT STRUCTURE FOR PREVENTING LEAKAGE
942  DF  NONREUSABLE BOX HAVING MEANS TO FACILITATE COLLAPSING OR DISASSEMBLING FOR DISPOSAL OR FOR RECYCLING OF THE BOX MATERIAL (E.G., "KNOCKDOWN" TYPE)
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FOREIGN ART COLLECTIONS
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*  DF  PAPERBOARD BOX (229/100) {1}
FOR 105  DF  LIQUID PROOFED (229/3.1)
FOR 106  DF  MATERIAL (229/3.5 R) {1}