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US3334636A Expired / Lapsed US ⏱️ 0.0 years remaining

Filter for smokers' article

Assignee: Individual
•
Filing: 1964-06-23
•
Granted: 1967-08-08
•
Expires: 1984-06-23
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Abstract

No abstract record available.

Inventors

  • 👤 Alexander A Zuber

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:31
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/061

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 148 words
A SMOKING ARTICLE COMPRISING, A GENERALLY CYLINDRICAL WRAPPER, AN ELONGATE MASS OF TOBACCO DISPOSES WITHIN SAID WRAPPER, AN ABSORBENT COMPRESSIBLE FILTER BODY CARRIED ADJACENT ONE END OF SAID WRAPPER AND FORMED FROM STRIP-LIKE MATERIAL OVERLYING ITSELF IN A LAPPING ARRANGEMENT, A FLEXIBLE TUBULAR COVER FORMING AN EXTENSION OF SAID WRAPPER AND ENCLOSING SAID FILTER BODY, SAID FILTER BODY DEFINING A PLURALITY OF AIR PASSAGES THROUGH SAID COVER, A MULTIPLICITY OF VERY SAMLL FRANGIBLE CAPSULES DISPOSED ALONG THE EXTENT OF EACH OF SAID PLURALITY OF AIR PASSAGES, AND A LIQUID DISPOSED WITHIN SAID CAPSULES, AT LEAST A PORTION OF SAID CAPSULES IN EACH OF SAIDD PASSAGES BREAKING AND FORMING ADDITIONAL FILTER FINGER ELEMENTS IN SAID AIR PASSAGES, SAID LIQUID THEREIN DIFFUSING INTO AND WETTING SAID PASSAGES TO IMPROVE FILTRATION EFFECTIVENESS OF THE ABSORBENT FILTER BODY UPON THE APPLICATION OF PRESSURE TO SAID FILTER BODY THROUGH SAID FLEXIBLE TUBULAR COVER.
Claim 2
Dependent Claim 148 words
A SMOKING ARTICLE COMPRISING, A GENERALLY CYLINDRICAL WRAPPER, AN ELONGATE MASS OF TOBACCO DISPOSES WITHIN SAID WRAPPER, AN ABSORBENT COMPRESSIBLE FILTER BODY CARRIED ADJACENT ONE END OF SAID WRAPPER AND FORMED FROM STRIP-LIKE MATERIAL OVERLYING ITSELF IN A LAPPING ARRANGEMENT, A FLEXIBLE TUBULAR COVER FORMING AN EXTENSION OF SAID WRAPPER AND ENCLOSING SAID FILTER BODY, SAID FILTER BODY DEFINING A PLURALITY OF AIR PASSAGES THROUGH SAID COVER, A MULTIPLICITY OF VERY SAMLL FRANGIBLE CAPSULES DISPOSED ALONG THE EXTENT OF EACH OF SAID PLURALITY OF AIR PASSAGES, AND A LIQUID DISPOSED WITHIN SAID CAPSULES, AT LEAST A PORTION OF SAID CAPSULES IN EACH OF SAIDD PASSAGES BREAKING AND FORMING ADDITIONAL FILTER FINGER ELEMENTS IN SAID AIR PASSAGES, SAID LIQUID THEREIN DIFFUSING INTO AND WETTING SAID PASSAGES TO IMPROVE FILTRATION EFFECTIVENESS OF THE ABSORBENT FILTER BODY UPON THE APPLICATION OF PRESSURE TO SAID FILTER BODY THROUGH SAID FLEXIBLE TUBULAR COVER.

References Cited (Backward Citations)

US596832A Cited
CA652716A Cited
AT173262B Cited
US2755206A Cited
US2808057A Cited
US2893399A Cited
DE1077127B Cited
US3066681A Cited
US3196478A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-08-07 1971-02-06 1971-08-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-08-07 1975-02-06 1975-08-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-08-07 1979-02-06 1979-08-08 $7700.00 Window Closed / Lapsed

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