US Patent Class 131
TOBACCO-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
270  DF  ANTISMOKING PRODUCT OR DEVICE, I.E., DETERENT {3}
274  DF  PRODUCT OR DEVICE HAVING IDENTIFIABLE CONSTITUENT TO FLAVOR OR ENHANCE FLAVOR {2}
280  DF  CIGAR OR CIGARETTE MAKING {14}
111  DF  PLUG OR COMPRESSED SHAPE MAKING {5}
290  DF  TOBACCO TREATMENT {8}
328  DF  MAKING OR USING TOBACCO USERS' APPLIANCE
329  DF  TOBACCO USERS' APPLIANCE {8}
331  DF  SMOKE SEPARATOR OR TREATER {9}
347  DF  TOBACCO OR TOBACCO SUBSTITUTE PRODUCT OR COMPONENT PART THEREOF {7}
369  DF  METHOD OR APPARATUS FOR MAKING TOBACCO SUBSTITUTE
370  DF  METHOD OR APPARATUS FOR MAKING RECONSTITUTED TOBACCO {5}
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CROSS-REFERENCE ART COLLECTIONS
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900  DF  LIQUIFIED GAS EMPLOYED IN PUFFING TOBACCO
901  DF  ORGANIC LIQUID EMPLOYED IN PUFFING TOBACCO
902  DF  INORGANIC CHEMICAL AGENTS EMPLOYED IN PUFFING TOBACCO
903  DF  FIXING THE PRODUCT AFTER PUFFING
904  DF  PNEUMATIC MEANS FOR SENSING CONDITION OR CHARACTERISTIC
905  DF  RADIATION SOURCE FOR SENSING CONDITION OR CHARACTERISTIC
906  DF  SENSING CONDITION OR CHARACTERISTIC OF CONTINUOUS TOBACCO ROD
907  DF  EJECTION OR REJECTION OF FINISHED ARTICLE DUE TO DETECTED OR SENSED CONDITION
908  DF  SENSING UNIQUE CHARACTERISTIC OR SPECIFIC CONDITION OF FINISHED PRODUCT
909  DF  SENSING CONDITION IN FEED HOPPER FOR CIGAR OR CIGARETTE MAKING
910  DF  SENSING OR DETECTING MALFUNCTION IN CIGAR OR CIGARETTE MAKER
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DIGEST
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DIG 1  DF  Pipe literature