US2724544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stator shroud and blade assembly
Assignee: Westinghouse Electric Corp
•
Filing: 1951-05-25
•
Granted: 1955-11-22
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Expires: 1971-05-25
Abstract
No abstract record available.
Inventors
- 👤 Hardigg George William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:51
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/541; F04D29/542; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042; F01D9/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE234463C
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US1187449A
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US1932278A
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GB478104A
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US2278041A
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US2402418A
Cited
US2475772A
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US2488875A
Cited
US2625013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |