US2776916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco composition
Assignee: Individual
•
Filing: 1954-08-23
•
Granted: 1957-01-08
•
Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Ericsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:41
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A TOBACCO COMPOSITION, AN IMPROVED HUMECTANT CONSISTING ESSENTIALLY OF AT LEAST ABOUT 0.5 PERCENT BY WEIGHT, DRY BASIS, OF A DELIQUESCENT INORGANIC SALT EFFECTIVE TO MAINTAIN THE MOISTURE CONTENT OF SAID TOBACCO COMPOSITION SUBSTANTIALLY CONSTANT, SAID SALT HAVING THE FURTHER PROPERTIES OF EXERTING A BUFFERING ACTION AROUND THE NEUTRAL PH RANGE, BEING PHYSIOLOGICALLY UNOBJECTIONABLE IN THE AMOUNT EMPLOYED, AND GIVING RISE TO PHYSIOLOGICALLY UNOBJECTIONABLE PYROLYSIS PRODUCTS.
Claim 2
Dependent Claim
67 words
IN A TOBACCO COMPOSITION, AN IMPROVED HUMECTANT CONSISTING ESSENTIALLY OF AT LEAST ABOUT 0.5 PERCENT BY WEIGHT, DRY BASIS, OF A DELIQUESCENT INORGANIC SALT EFFECTIVE TO MAINTAIN THE MOISTURE CONTENT OF SAID TOBACCO COMPOSITION SUBSTANTIALLY CONSTANT, SAID SALT HAVING THE FURTHER PROPERTIES OF EXERTING A BUFFERING ACTION AROUND THE NEUTRAL PH RANGE, BEING PHYSIOLOGICALLY UNOBJECTIONABLE IN THE AMOUNT EMPLOYED, AND GIVING RISE TO PHYSIOLOGICALLY UNOBJECTIONABLE PYROLYSIS PRODUCTS.
References Cited (Backward Citations)
US1812459A
Cited
US1874989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |