Patent US2858769A successfully refreshed from Google Patents.
US2858769A
Expired / Lapsed
US
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Pump with sealed impeller hub
Assignee: Jabsco Pump Co
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Filing: 1955-08-22
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Granted: 1958-11-04
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Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Doble Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:28
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0034; F04C15/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1978689A
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US2180401A
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US2243227A
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US2189356A
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US2245866A
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US2671408A
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US2711136A
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US2635553A
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US2782723A
Cited
US2789511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |