US3228095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making turbine blades
Assignee: Rolls Royce PLC
•
Filing: 1961-04-10
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Granted: 1966-01-11
•
Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Bird Jack Raymond
- 👤 Hall Douglas Wilson
- 👤 Denton David Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:50
CPC Classifications
B; B21; B21K; B21K3/00; B21K3/04; B23; B23P; B23P15/00; B23P15/02; C; C22; C22C; C22C19/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/4998; Y10T29/49988
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A METHOD OF MAKING A TURBINE BLADE OF A GAS TURBINE ENGINE FROM AN ALLOY HAVING THE FOLLOWING PERCENTAGE COMPOSITION BY WEIGHT:
Claim 2
Independent Claim
22 words
A METHOD OF MAKING A TURBINE BLADE OF A GAS TURBINE ENGINE FROM AN ALLOY HAVING THE FOLLOWING PERCENTAGE COMPOSITION BY WEIGHT:
References Cited (Backward Citations)
CA548777A
Cited
US2447897A
Cited
US2977222A
Cited
US2987806A
Cited
US3047381A
Cited
US3110587A
Cited
US3107999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |