Patent US2824523A successfully refreshed from Google Patents.
US2824523A
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US
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Pressure loaded pump
Assignee: Borg Warner Corp
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Filing: 1953-11-19
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Granted: 1958-02-25
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Expires: 1973-11-19
Abstract
No abstract record available.
Inventors
- 👤 Henry H Campbell
- 👤 James A Compton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:42
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)
FR551680A
Cited
GB318871A
Cited
US1909418A
Cited
US2044873A
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US2312655A
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US2420622A
Cited
US2444165A
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US2472031A
Cited
US2487732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |