Patent US3112755A successfully refreshed from Google Patents.
US3112755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco product
Assignee: P Lorillard Co
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Filing: 1960-12-19
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Granted: 1963-12-03
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Harris B Parmele
- 👤 Frederick J Schultz
- 👤 Clifford O Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:10
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
IN A SMOKING TOBACCO PRODUCT CONSISTING ESSENTIALLY OF NATURAL LEAF SMOKING TOBACCO, THE IMPROVEMENT WHICH COMPRISES AT LEAST ABOUT 1% OF CITRIC ACID BY WEIGHT OF SAID LEAF SMOKING TOBACCO NTERMIXED WITH SAID LEAF TOBACCO AS A STIMULATN FOR CILIARY ACTIVITY TO NEUTRALIZE AT LEAST PARTIALLY INHIBITING ACTION OF TOBACCO SMOKE ON CILIARY ACTIVITY.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |