US2911295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of conditioning soil for agricultural purposes
Assignee: Individual
•
Filing: 1952-11-10
•
Granted: 1959-11-03
•
Expires: 1972-11-10
Abstract
No abstract record available.
Inventors
- 👤 Peter Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:21
CPC Classifications
C; C05; C05F; C05F11/00; C05F11/08; B; B09; B09C; B09C1/00; B09C1/06; B09C1/08; B09C1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR PREPARING A SOIL BUILDER COMPRISING SUBJECTING OIL SHALE, WHOSE CONSTITUENTS INCLUDE SHALE AND KEROGEN, TO HEAT TREATMENT AT TEMPERATURES FROM APPROXIMATELY 250* F, TO NOT MORE THAN 310* F. FOR ONLY SUCH TIME PERIOD AS IS SUFFICIENT TO ACTIVATE SPORE-BEARING, GRAMNEGATIVE, NON-MOTILE, ANAEROBIC ROD BACTERIA NORMALLY DORMANT IN SAID OIL SHALE.
Claim 2
Dependent Claim
54 words
A PROCESS FOR PREPARING A SOIL BUILDER COMPRISING SUBJECTING OIL SHALE, WHOSE CONSTITUENTS INCLUDE SHALE AND KEROGEN, TO HEAT TREATMENT AT TEMPERATURES FROM APPROXIMATELY 250* F, TO NOT MORE THAN 310* F. FOR ONLY SUCH TIME PERIOD AS IS SUFFICIENT TO ACTIVATE SPORE-BEARING, GRAMNEGATIVE, NON-MOTILE, ANAEROBIC ROD BACTERIA NORMALLY DORMANT IN SAID OIL SHALE.
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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |