Patent US3256202A successfully refreshed from Google Patents.
Patent US2065248A successfully refreshed from Google Patents.
US2065248A
Expired / Lapsed
US
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Manufacture of pipe thread lubricants
Assignee: Gulf Oil Corp
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Filing: 1936-01-22
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Granted: 1936-12-22
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Expires: 1956-01-22
Abstract
No abstract record available.
Inventors
- 👤 Herschel G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:03
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/043; C10M2201/05; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/06; C10M2211/08; C10M2219/00; C10M2219/02; C10M2219/024; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2050/00; C10N2050/10
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) | 1939-12-22 | 1940-06-22 | 1940-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-22 | 1944-06-22 | 1944-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-22 | 1948-06-22 | 1948-12-22 | $7700.00 | Window Closed / Lapsed |