Patent US3011448A successfully refreshed from Google Patents.
US3011448A
Expired / Lapsed
US
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Pressure loaded pump
Assignee: Borg Warner Corp
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Filing: 1957-11-06
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Granted: 1961-12-05
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Expires: 1977-11-06
Abstract
No abstract record available.
Inventors
- 👤 Delbert S Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:57
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2707441A
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GB738782A
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Cited
US2809592A
Cited
US2842066A
Cited
US2824524A
Cited
FR1142537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |