Patent US2623728A successfully refreshed from Google Patents.
US2623728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting of blades in compressors, turbines, and the like
Assignee: Power Jets Research and Development Ltd
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Filing: 1946-01-15
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Granted: 1952-12-30
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Expires: 1966-01-15
Abstract
No abstract record available.
Inventors
- 👤 Feilden Geoffrey Bertra Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:52
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042; F01D5/00; F01D5/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US779910A
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US735054A
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FR336739A
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US792659A
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US775108A
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US990321A
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US1468555A
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CH110556A
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US2220616A
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US2241782A
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US2405164A
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US2258792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |