US2815028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette structure
Assignee: Individual
•
Filing: 1954-07-20
•
Granted: 1957-12-03
•
Expires: 1974-07-20
Abstract
No abstract record available.
Inventors
- 👤 Bernhard Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:03
CPC Classifications
A; A24; A24D; A24D1/00; A24D1/002; A24F; A24F42/00; A24F42/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A CIGARETTE COMPRISING AN ELONGATE CYLINDRICAL SHELL OF A COMBUSTIBLE MATERIAL, A SUBSTANTIALLY CYLINDRICAL SMOKE IMPERVIOUS PLUG COMPLETELY FILLING ONE END PORTION OF THE SHELL AND COMPLETELY BLOCKING COMMUNICATION THEREALONG TO PREVENT PASSAGE OF A GASEOUS STREAM ENDWISE THERETHROUGH, AND TOBACCO FILLING THE REMAINDER OF THE SHELL IN WHICH THE TOBACCO CONTAINS AN OXIDIZING AGENT IN UNIFORM DISTRIBUTION THEREWITH IN AMOUNTS TO MAINTAIN A UNIFORM SLOW BURNING RATE OF THE TOBACCO WITHOUT RELIANCE UPON A DRAFT OF AIR BEING DRAWN THROUGH THE CIGARETTE.
Claim 2
Dependent Claim
83 words
A CIGARETTE COMPRISING AN ELONGATE CYLINDRICAL SHELL OF A COMBUSTIBLE MATERIAL, A SUBSTANTIALLY CYLINDRICAL SMOKE IMPERVIOUS PLUG COMPLETELY FILLING ONE END PORTION OF THE SHELL AND COMPLETELY BLOCKING COMMUNICATION THEREALONG TO PREVENT PASSAGE OF A GASEOUS STREAM ENDWISE THERETHROUGH, AND TOBACCO FILLING THE REMAINDER OF THE SHELL IN WHICH THE TOBACCO CONTAINS AN OXIDIZING AGENT IN UNIFORM DISTRIBUTION THEREWITH IN AMOUNTS TO MAINTAIN A UNIFORM SLOW BURNING RATE OF THE TOBACCO WITHOUT RELIANCE UPON A DRAFT OF AIR BEING DRAWN THROUGH THE CIGARETTE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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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) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |