US2646209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine driven multistage compressor
Assignee: Individual
•
Filing: 1949-05-18
•
Granted: 1953-07-21
•
Expires: 1969-05-18
Abstract
No abstract record available.
Inventors
- 👤 Galliot Jules Andre Norbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:51
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/08; F02C3/06; F02C3/073; F04; F04D; F04D17/00; F04D17/02; F04D17/025; F04D19/00; F04D19/02; F04D19/028; F04D25/00; F04D25/02; F04D25/04; F04D25/045; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2391779A
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US2396068A
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US2414551A
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US2401826A
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US2410804A
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US2428330A
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US2446552A
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US2489683A
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US2398140A
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GB585084A
Cited
US2469214A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |