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
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.
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Cited
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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 |