Patent US3100492A successfully refreshed from Google Patents.
US3100492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corncob material cigarette
Assignee: Individual
•
Filing: 1962-04-23
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Granted: 1963-08-13
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Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 William C Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:41
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/16; A24D; A24D1/00; A24D1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A CIGARETE COMPRISING CORNCOB, AND A COMBUSTIBLE SHEET OF MATERIAL SURROUNDING SAID CORNCOB, SAID CORN-
Claim 2
Dependent Claim
15 words
A CIGARETE COMPRISING CORNCOB, AND A COMBUSTIBLE SHEET OF MATERIAL SURROUNDING SAID CORNCOB, SAID CORN-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |