US2662685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor for fluid machines
Assignee: Societe dExplotation des Materiels Hispano Suiza
•
Filing: 1950-07-07
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Granted: 1953-12-15
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Expires: 1970-07-07
Abstract
No abstract record available.
Inventors
- 👤 Blanc Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:41
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; F01D5/066; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US906400A
Cited
US852030A
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US1210978A
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US1118361A
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US1873956A
Cited
FR900402A
Cited
US2461402A
Cited
US2548858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |