Patent US2045306A successfully refreshed from Google Patents.
US2045306A
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US
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Lubricants
Assignee: Texaco Inc
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Filing: 1933-08-31
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Granted: 1936-06-23
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Expires: 1953-08-31
Abstract
No abstract record available.
Inventors
- 👤 Roy F Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:32
CPC Classifications
C; C10; C10M; C10M101/00; C10M101/02; C10M135/00; C10M135/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2219/00; C10M2219/02; C10M2219/022; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |