US2432807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Petroleum oil compositions
Assignee: Gulf Research and Development Co
•
Filing: 1945-11-26
•
Granted: 1947-12-16
•
Expires: 1965-11-26
Abstract
No abstract record available.
Inventors
- 👤 Albert G Rocchini
- 👤 Jr Charles Byron Pattinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:44
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/02; C10M2207/023; C10N; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USRE19512E
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US1492391A
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US1784359A
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US1951207A
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US2008680A
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US2061111A
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US2044318A
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US2155723A
Cited
US2319261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |