Patent US2606500A successfully refreshed from Google Patents.
US2606500A
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Fluid actuated double-acting submersible pump
Assignee: Individual
•
Filing: 1946-06-24
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Granted: 1952-08-12
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Expires: 1966-06-24
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:15
CPC Classifications
F; F04; F04B; F04B47/00; F04B47/06; F04B1/00; F04B1/12; F04B1/14; F04B43/00; F04B43/08; F04B43/10; F04B43/113; F04B43/1136; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1852242A
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US2196993A
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US2269789A
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US2220334A
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US2192402A
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US2314281A
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US2404524A
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US2435179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |