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US3044745A
Expired / Lapsed
US
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Turbine and compressor blades
Assignee: Rolls Royce PLC
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Filing: 1957-11-19
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Granted: 1962-07-17
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Expires: 1977-11-19
Abstract
No abstract record available.
Inventors
- 👤 Stark Frank Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:01
CPC Classifications
B; B23; B23H; B23H9/00; B23H9/10; B23P; B23P15/00; B23P15/02; F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/147; F01D5/18; F01D5/187; F05; F05D; F05D2230/00; F05D2230/10; F05D2230/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339; Y10T29/49341; Y10T29/496; Y10T408/00; Y10T408/44; Y10T408/45; Y10T408/455
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
GB744984A
Cited
GB742477A
Cited
GB754217A
Cited
FR1143952A
Cited
US2830357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |