Patent US2010555A successfully refreshed from Google Patents.
US2010555A
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Hydraulically reversible pumpturbine
Assignee: Individual
•
Filing: 1931-05-26
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Granted: 1935-08-06
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Expires: 1951-05-26
Abstract
No abstract record available.
Inventors
- 👤 Moody Lewis Ferry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:22
CPC Classifications
F; F03; F03B; F03B3/00; F03B3/10; F03B3/103; F03B15/00; F03B15/02; F03B15/04; F03B15/06; F03B15/08; F03B15/10; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10S; Y10S415/00; Y10S415/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-08-05 | 1939-02-04 | 1939-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-05 | 1943-02-04 | 1943-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-05 | 1947-02-04 | 1947-08-06 | $7700.00 | Window Closed / Lapsed |