Patent DE436774C successfully refreshed from Google Patents.
Patent US3012915A successfully refreshed from Google Patents.
US3012915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco composition including comminuted solid material affixed thereto
Assignee: Minerals and Chemicals Philipp Corp
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Filing: 1957-11-21
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Granted: 1961-12-12
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Expires: 1977-11-21
Abstract
No abstract record available.
Inventors
- 👤 Frank A Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:52
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12; A24B15/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A SMOKING MIXTURE COMPRISING TOBACCO SHREDS AND UNIFORMLY DISPERSED THEREON A COMMINUTED SOLID CAPABLE OF ALTERING THE CHARACTERISTIC OF THE SMOKE FROM SAID TOBACCO WHEN SMOKED, THE PARTICLES OF SAID SOLID BEING AT LEAST PARTIALLY ENVELOPED BY AND BONDED TO THE SURFACES OF SAID TOBACCO SHREDS BY AN ADHESIVE PRODUCED BY COLD AQUEOUS LEACHING OF AGED TOBACCO FOLLOWED BY CONCENTRATION OF THE LEACHATE BY EVAPORATION AT ROOM TEMPERATURE.
Claim 2
Dependent Claim
68 words
A SMOKING MIXTURE COMPRISING TOBACCO SHREDS AND UNIFORMLY DISPERSED THEREON A COMMINUTED SOLID CAPABLE OF ALTERING THE CHARACTERISTIC OF THE SMOKE FROM SAID TOBACCO WHEN SMOKED, THE PARTICLES OF SAID SOLID BEING AT LEAST PARTIALLY ENVELOPED BY AND BONDED TO THE SURFACES OF SAID TOBACCO SHREDS BY AN ADHESIVE PRODUCED BY COLD AQUEOUS LEACHING OF AGED TOBACCO FOLLOWED BY CONCENTRATION OF THE LEACHATE BY EVAPORATION AT ROOM TEMPERATURE.
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |