US2956735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary compressor
Assignee: IFP Energies nouvelles
•
Filing: 1957-12-27
•
Granted: 1960-10-18
•
Expires: 1977-12-27
Abstract
No abstract record available.
Inventors
- 👤 Breelle Yves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:20
CPC Classifications
F; F04; F04C; F04C18/00; F04C18/08; F04C18/12; F04C18/14; F04C18/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE286662C
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US1266605A
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FR489568A
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US1729826A
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US2130054A
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US2180377A
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FR822640A
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US2180378A
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DE866739C
Cited
US2690869A
Cited
US2699122A
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US2856120A
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FR1154802A
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US2870752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |