US3012915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco composition including comminuted solid material affixed thereto
Assignee: Minerals and Chemicals Philipp Corp
•
Filing: 1957-11-21
•
Granted: 1961-12-12
•
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
2026-11-02 11:34
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.
References Cited (Backward Citations)
US2003690A
Cited
US2108860A
Cited
US2282922A
Cited
US2460284A
Cited
GB666308A
Cited
US2586701A
Cited
DE838419C
Cited
US2797689A
Cited
US2839065A
Cited
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 |