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US2514982A
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Stabilized lubricant
Assignee: Shell Development Co
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Filing: 1946-10-18
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Granted: 1950-07-11
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Expires: 1966-10-18
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Walters
- 👤 Hulbert E Sipple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:19
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/024; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/107; C10M2209/109; C10M2213/00; C10M2213/04; C10M2213/06; C10M2217/00; C10M2217/02; C10M2217/04; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2221/00; C10M2221/02; C10M2221/04; C10M2221/043; C10M2225/00; C10M2225/02; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/06; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
A LUBRICATING COMPOSITION COMPRISING AS THE MAJOR LUBRICATING INGREDIENT THEREOF AN OLEAGINOUS POLYMER HAVING RECURRING UNITS OF THE GENERAL CONFIGURATION
References Cited (Backward Citations)
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US2017827A
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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) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |