US3397146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions
Assignee: Union Carbide Corp
•
Filing: 1966-08-22
•
Granted: 1968-08-13
•
Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Robert A Cupper
- 👤 Maurice W Ranney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:16
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/14; C08; C08F; C08F8/00; C08F8/30; C10M2203/00; C10M2203/10; C10M2203/104; C10M2203/106; C10M2215/00; C10M2215/22; C10M2215/223; C10M2215/224; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3194763A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |