US2996995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic installations comprising a turbine and a pump
Assignee: Ateliers des Charmilles SA
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Filing: 1958-02-19
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Granted: 1961-08-22
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Expires: 1978-02-19
Abstract
No abstract record available.
Inventors
- 👤 Culaud Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:34
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/04; F03; F03B; F03B3/00; F03B3/10; F03B3/106; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |