US2803194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump assembly and means for cooling the bearings thereof
Assignee: Bendix Aviation Corp
•
Filing: 1953-02-04
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Granted: 1957-08-20
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Expires: 1973-02-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Johnson
- 👤 Richard H Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:14
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/04; F04D29/046; F04D29/049; F04D13/00; F04D13/02; F04D13/04; F04D29/06; F04D29/061; F04D29/58; F04D29/586; F04D29/588
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE404246C
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US1787088A
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US2301063A
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US2479573A
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GB630792A
Cited
US2632395A
Cited
US2592294A
Cited
US2606501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |