US3201350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants containing a schiff base
Assignee: Monsanto Research Corp
•
Filing: 1963-04-08
•
Granted: 1965-08-17
•
Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Mchugh
- 👤 John O Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:29
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/58; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2215/00; C10M2215/14; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/14; C10N2040/16; C10N2040/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A COMPOSITION CONSISTING ESSENTIALLY OF POLYESTER LUBRICATING OIL AND A MINOR PROPORTION, SUFFICIENT TO INHIBIT OXIDATION, OF A CONDENSATION PRODUCT OF THE FORMULA
Claim 2
Dependent Claim
23 words
A COMPOSITION CONSISTING ESSENTIALLY OF POLYESTER LUBRICATING OIL AND A MINOR PROPORTION, SUFFICIENT TO INHIBIT OXIDATION, OF A CONDENSATION PRODUCT OF THE FORMULA
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |