US2580036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust inhibiting composition
Assignee: Standard Oil Development Co
•
Filing: 1948-11-27
•
Granted: 1951-12-25
•
Expires: 1968-11-27
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Matuszak
- 👤 Jr James W Hand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:36
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/28; C10M2207/287; C10M2207/289; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/06; C10M2215/066; C10M2215/24; C10M2215/26; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A MINERAL LUBRICATING OIL CONTAINING DISSOLVED THEREIN 0.01% TO 10% OF PENTAERYTHRITOL MONO-OLEATE AND 0.001% TO 5% OF PROPYLENE DIAMINE.
Claim 2
Dependent Claim
20 words
A MINERAL LUBRICATING OIL CONTAINING DISSOLVED THEREIN 0.01% TO 10% OF PENTAERYTHRITOL MONO-OLEATE AND 0.001% TO 5% OF PROPYLENE DIAMINE.
References Cited (Backward Citations)
US1973676A
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US2187353A
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US2273862A
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US2442672A
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US2371333A
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US2398193A
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US2452320A
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US2434490A
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US2482517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |