Patent US3057757A successfully refreshed from Google Patents.
US3057757A
Expired / Lapsed
US
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Smoking compositions and smoking unit containing same
Assignee: Mincrals & Chemicals Philip Co
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Filing: 1960-02-12
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Granted: 1962-10-09
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Expires: 1980-02-12
Abstract
No abstract record available.
Inventors
- 👤 Charles G Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:24
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A SMOKING MIXTURE COMPRISING TOBACCO HAVING MIXED THEREWITH A SMALL AMOUNT OF ALUMINA WHICH IS PRODUCED BY THERMAL DECOMPOSITION OF ALUMINUM NITRATE.
Claim 2
Dependent Claim
22 words
A SMOKING MIXTURE COMPRISING TOBACCO HAVING MIXED THEREWITH A SMALL AMOUNT OF ALUMINA WHICH IS PRODUCED BY THERMAL DECOMPOSITION OF ALUMINUM NITRATE.
References Cited (Backward Citations)
US1652119A
Cited
US2007407A
Cited
US2839065A
Cited
US2938818A
Cited
US2933420A
Cited
US2941906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |