Patent US2442783A successfully refreshed from Google Patents.
US2442783A
Expired / Lapsed
US
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Turbine rotor
Assignee: United States, WAR, Secretary of
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Filing: 1944-07-01
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Granted: 1948-06-08
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Expires: 1964-07-01
Abstract
No abstract record available.
Inventors
- 👤 Jurg A Senn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:55
CPC Classifications
F; F01; F01D; F01D7/00; F01D7/02; F03; F03B; F03B3/00; F03B3/12; F03B3/125; Y; Y02; Y02E; Y02E10/00; Y02E10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE143960C
Cited
US2281144A
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US1015552A
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US1116851A
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US1511541A
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US1583621A
Cited
US1712527A
Cited
US1961228A
Cited
US2044532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |