Patent US3494704A successfully refreshed from Google Patents.
US3494704A
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US
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Hydraulic machine
Assignee: Ateliers des Charmilles SA
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Filing: 1967-11-15
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Granted: 1970-02-10
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Expires: 1987-11-15
Abstract
No abstract record available.
Inventors
- 👤 Andre Culaud
- 👤 Michel Fauconnet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:44
CPC Classifications
F; F03; F03B; F03B3/00; F03B3/10; F03B11/00; F03B11/02; F03B3/106; F03B3/16; F03B3/18; F03B3/186; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/445; 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)
US181646A
Cited
DE327160C
Cited
US2083167A
Cited
FR904849A
Cited
FR1023864A
Cited
US2996995A
Cited
US3196798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |