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US3429673A
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US
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Corrosion inhibiting additive compositions for fuel oils
Assignee: Henkel AG and Co KGaA
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Filing: 1967-03-14
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Granted: 1969-02-25
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Expires: 1987-03-14
Abstract
No abstract record available.
Inventors
- 👤 Gunter Reese
- 👤 Gunter Felletschin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:28
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1990365A
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US2382818A
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US2433243A
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US2587546A
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US2614980A
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US2736658A
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US2798045A
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US2939842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |