US3240212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of treating smoking tobacco
Assignee: Individual
•
Filing: 1962-10-05
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Granted: 1966-03-15
•
Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 Royali H Royster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:01
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/42; A24C; A24C5/00; A24C5/14; A24C5/24; A24D; A24D1/00; A24D1/002; Y; Y10; Y10S; Y10S55/00; Y10S55/39; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
AN IMPROVED CIGAARETTE COMPRISING, A PACKED COLUMN OF SMOKING TOBACCO HAVING EMBEDDED THEREIN GELATINOUSLY ENCAPSULATED NEGATIVELY CHARGED ELECTRETS, AND A PAPER TUBE ENCIRCLING SAID PACKED COLUMN OF TOBACCO.
References Cited (Backward Citations)
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GB292479A
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US1757477A
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |