US3411923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-containing organic phosphate compositions
Assignee: Lubrizol Corp
•
Filing: 1966-02-14
•
Granted: 1968-11-19
•
Expires: 1986-02-14
Abstract
No abstract record available.
Inventors
- 👤 Bretz John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:45
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C23; C23C; C23C22/00; C23C22/82; C23C22/83
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2577626A
Cited
US2616924A
Cited
US2779784A
Cited
US3080330A
Cited
US3215715A
Cited
US3276916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |