US3702117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette
Assignee: Individual
•
Filing: 1970-11-23
•
Granted: 1972-11-07
•
Expires: 1990-11-23
Abstract
Abstract A SIGNIFICANT PORTION OF A LENGTH OF A CIGARETTE IS PRESERVED, SHOULD THE CIGARETTE BE LEFT UNATTENED BY A SMOKER WHO IS PREOCCUPIED WITH OTHER MATTERS, BY THE PROVISION OF FLAMMABLITY BARRIERS WITHIN THE LENGTH OF THE CIGARETTE WHICH DIVIDE THE LENGTH OF THE CIGARETTE INTO SECTIONS. DUE TO A PARTICULAR RELATIONSHIP AMONG THE COMBUSTION TEMPERATURES OF THE TOBACCO FILLING FOR THE CIGARETTE AND THE FLAMMABILITY BARRIERS, USE OF THE CIGARETTE IN A NORMAL MANNER PROCEEDS UNIHIBITED WHILE AN UNATTENDED CIGARETTE IS EXTINQUISHED. D R A W I N G D R A W I N G
Inventors
- 👤 Theodore H Borthwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:15
CPC Classifications
A; A24; A24D; A24D1/00; A24D1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |