US2995433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil improvement
Assignee: KERR MC GEE OIL IND Inc
•
Filing: 1956-05-24
•
Granted: 1961-08-08
•
Expires: 1976-05-24
Abstract
No abstract record available.
Inventors
- 👤 Mayer B Goren
- 👤 Bobby G Marquardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:25
CPC Classifications
C; C05; C05F; C05F11/00; Y; Y10; Y10S; Y10S47/00; Y10S47/10; Y10S71/00; Y10S71/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR PROMOTING THE GROWTH OF PLANTS IN SOIL CONSISTING ESSENTIALLY OF THE STEP OF ADMIXING INTO SOIL FRIABLE SUBSTANTIALLY OIL-FREE PETROLEUM RESIDUE IN SOLID PARTICULATE FORM IN AN AMOUNT NOT LESS THAN ABOUT ONEQUARTER TON PER ACRE TO FORM AN ADMIXTURE WHEREIN SAID PETROLEUM RESIDUE IS DISTRIBUTED WITHIN SAID SOIL IN SOLID PARTICULATE FORM, THE PETROLEUM RESIDUE CONSISTING ESSENTIALLY OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ASPHALTENES AND PETROLEUM RESINS.
Claim 2
Dependent Claim
76 words
A PROCESS FOR PROMOTING THE GROWTH OF PLANTS IN SOIL CONSISTING ESSENTIALLY OF THE STEP OF ADMIXING INTO SOIL FRIABLE SUBSTANTIALLY OIL-FREE PETROLEUM RESIDUE IN SOLID PARTICULATE FORM IN AN AMOUNT NOT LESS THAN ABOUT ONEQUARTER TON PER ACRE TO FORM AN ADMIXTURE WHEREIN SAID PETROLEUM RESIDUE IS DISTRIBUTED WITHIN SAID SOIL IN SOLID PARTICULATE FORM, THE PETROLEUM RESIDUE CONSISTING ESSENTIALLY OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ASPHALTENES AND PETROLEUM RESINS.
References Cited (Backward Citations)
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US2414640A
Cited
US2333959A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |