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Patent US2978168A successfully refreshed from Google Patents.
US2978168A
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Bladed rotor for axial-flow fluid machine
Assignee: RELLE ROYCE Ltd
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Filing: 1955-11-28
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Granted: 1961-04-04
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Expires: 1975-11-28
Abstract
No abstract record available.
Inventors
- 👤 Haworth Lionel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:51
CPC Classifications
C; C07; C07C; C07C405/00; C07C405/0008; C07C405/0016; C07C29/00; C07C29/132; C07C29/136; C07C29/147; C07C35/00; C07C35/22; C07C35/23; C07C35/27; C07C405/0025; C07D; C07D309/00; C07D309/02; C07D309/08; C07D309/10; C07D309/12; C07D317/00; C07D317/08; C07D317/10; C07D317/14; C07D317/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2727716A
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US2599470A
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US2656146A
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US2675208A
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US2648520A
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US2568726A
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US2819869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |