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US3370010A
Expired / Lapsed
US
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Mineral lubricating oil containing polymer having anti-wear properties
Assignee: Sinclair Research Inc
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Filing: 1966-05-03
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Granted: 1968-02-20
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Expires: 1986-05-03
Abstract
No abstract record available.
Inventors
- 👤 Henry V Isaacson
- 👤 Stephen M Kovach
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:37
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/04; C10M2205/06; C10N; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2798853A
Cited
US2967827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |