Patent US2743576A successfully refreshed from Google Patents.
US2743576A
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US
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Propellant impelled turbine
Assignee: Individual
•
Filing: 1952-02-28
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Granted: 1956-05-01
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Expires: 1972-02-28
Abstract
No abstract record available.
Inventors
- 👤 Crockett Sydney Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:35
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1750401A
Cited
US1940434A
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US2213768A
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US2581276A
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US2545703A
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US2544420A
Cited
US2457236A
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US2592938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |