US3491133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal organo phosphates and amine salts thereof
Assignee: Citgo Petroleum Corp
•
Filing: 1967-05-23
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Granted: 1970-01-20
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Expires: 1987-05-23
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Revukas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:13
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F7/00; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10M; C10M1/00; C10M1/08; C10L1/26; C10L1/2633; C10L1/2641; C10L1/2658; C10L1/30; C10L1/301; C10M2203/00; C10M2203/10; C10M2203/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2416985A
Cited
US2329707A
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US2346155A
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US2488662A
Cited
US2854468A
Cited
US2992894A
Cited
US3294775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |