US3039178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture by extrusion of turbine engine blades
Assignee: Rolls Royce PLC
•
Filing: 1958-01-09
•
Granted: 1962-06-19
•
Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 Kent Nelson Hector
- 👤 Eccles George Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:57
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/02; B21; B21C; B21C23/00; B21C23/02; B21C23/04; B21C23/14; B21C23/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339; Y10T29/49341; Y10T29/4981
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2047555A
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GB745655A
Cited
GB755610A
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US2836884A
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US2891307A
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US2830357A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |