US3480548A
Expired / Lapsed
US
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Alkaline earth metal polyborate carbonate overbased alkaline earth metal sulfonate lube oil composition
Assignee: Texaco Inc
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Filing: 1967-06-21
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Granted: 1969-11-25
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Expires: 1987-06-21
Abstract
No abstract record available.
Inventors
- 👤 Walter W Hellmuth
- 👤 Doris Kivelevich
- 👤 James G Dadura
- 👤 Bertrand G Morissette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:21
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M159/24; C10M2201/00; C10M2201/06; C10M2201/062; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2010/00; C10N2010/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |