Patent US2643030A successfully refreshed from Google Patents.
US2643030A
Expired / Lapsed
US
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Oil recovery stand
Assignee: GATES Manufacturing CORP
•
Filing: 1950-01-26
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Granted: 1953-06-23
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Expires: 1970-01-26
Abstract
No abstract record available.
Inventors
- 👤 Omega K Lyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:57
CPC Classifications
F; F16; F16N; F16N33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US447643A
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US1710588A
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US2021540A
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US2071944A
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US2086936A
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US2199970A
Cited
US2230180A
Cited
US2365533A
Cited
US2443837A
Cited
US2545293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |