Patent US3273182A successfully refreshed from Google Patents.
Patent US2466230A successfully refreshed from Google Patents.
US2584899A
Expired / Lapsed
US
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Construction of stator elements of turbines, compressors, or like machines
Assignee: Power Jets Research and Development Ltd
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Filing: 1946-01-14
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Granted: 1952-02-05
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Expires: 1966-01-14
Abstract
No abstract record available.
Inventors
- 👤 Mcleod Roderick Cristall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:18
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/08; F01D11/14; F01D11/20; F01D11/24; F01D11/16; F01D11/18; F01D25/00; F01D25/08; F01D25/12; F01D25/14; F01D25/24; F01D25/246; F01D25/26; F01D9/00; F01D9/02; F01D9/04; F01D9/041; F01D9/042; F02; F02C; F02C7/00; F02C7/12; F02C7/16; F02C7/18; F02C7/185; F23; F23R; F23R3/00; F23R3/42; F23R3/60; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1325135A
Cited
FR583702A
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FR29236E
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US1680737A
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GB243974A
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US1960810A
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US1873743A
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US2241782A
Cited
GB542197A
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US2445661A
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US2472062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |