Patent US3072572A successfully refreshed from Google Patents.
US3072572A
Expired / Lapsed
US
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Salts of hydroxy-phenyl esters of amidic acids
Assignee: Gulf Oil Corp
•
Filing: 1958-11-07
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Granted: 1963-01-08
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Expires: 1978-11-07
Abstract
No abstract record available.
Inventors
- 👤 Troy L Cantrell
- 👤 John G Peters
- 👤 Herschel G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:52
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA:
Claim 3
Dependent Claim
25 words
A MINERAL OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL OIL AND FROM 0.01 TO 2.0 PERCENT BY WEIGHT OF A COMPOUND HAVING THE FORMULA:
Claim 4
Dependent Claim
25 words
A MINERAL OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL OIL AND FROM 0.01 TO 2.0 PERCENT BY WEIGHT OF A COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US1803298A
Cited
US2306095A
Cited
US2402448A
Cited
US2674577A
Cited
US2798087A
Cited
US2820053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |