Patent US4676259A successfully refreshed from Google Patents.
US4676259A
Expired / Lapsed
US
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Nicotine enhanced smoking device
Assignee: Pfizer Health AB
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Filing: 1985-03-21
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Granted: 1987-06-30
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Expires: 2005-03-21
Abstract
Abstract A nicotine-enhanced smoking article having a first tobacco portion and a second filter portion attached thereto. The filter portion containing filter fibers and a nicotine solution having 5-15%, by weight of total solution, nicotine or a nicotine salt in a solvent. The interaction of the combination products from the first portion with the nicotine solution results in the absorption by the combustion products of nicotine from the solution providing increased nicotine to the user.
Inventors
- 👤 Michael P. Ellis
- 👤 Jon P. Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:42
CPC Classifications
A; A24; A24F; A24F13/00; A24F13/02; A24F13/04; A24F13/06
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
80 words
A nicotine-enhance smoking device, comprising: (a) a first portion comprising combustible material and a housing, said material contained in said housing, and (b) a second portion attached to said first portion, said second portion being characterized by containing filter fibers and a nicotine solution comprising 5-15%, by weight of total solution, nicotine or a nicotine salt in a solvent, the configuration of said first and second portions permitting interaction of combustion products of said first portion with said nicotine solution.
Claim 2
Dependent Claim
80 words
A nicotine-enhance smoking device, comprising: (a) a first portion comprising combustible material and a housing, said material contained in said housing, and (b) a second portion attached to said first portion, said second portion being characterized by containing filter fibers and a nicotine solution comprising 5-15%, by weight of total solution, nicotine or a nicotine salt in a solvent, the configuration of said first and second portions permitting interaction of combustion products of said first portion with said nicotine solution.
Claim 3
Dependent Claim
14 words
A nicotine-enhanced smoking device according to claim 1 wherein said solvent is a polysiloxane.
Claim 4
Dependent Claim
21 words
A nicotine-enhanced smoking device according to claim 1 wherein said second portion contains filter fibers having said nicotine solution coated thereon.
Claim 5
Dependent Claim
22 words
A nicotine-enhanced smoking device according to claim 4 1 wherein said second portion contains filter fibers having said nicotine solution injected therein.
Claim 6
Dependent Claim
20 words
A nicotine-enhanced smoking device according to claim wherein said first and second portions are in the shape of a cigarette.
Claim 7
Dependent Claim
17 words
A nicotine-enhanced smoking device according to claim 5 wherein said first and second portions are integrally connected.
Claim 8
Dependent Claim
16 words
A nicotine-enhanced smoking device according to claim 5 wherein said first and second portions are detachable.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-06-29 | 1990-12-29 | 1991-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-06-29 | 1994-12-29 | 1995-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-06-29 | 1998-12-29 | 1999-06-30 | $7700.00 | Window Closed / Lapsed |