US3107416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making turbine and compressor blades
Assignee: Huntington Alloys Corp
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Filing: 1959-09-14
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Granted: 1963-10-22
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Expires: 1979-09-14
Abstract
No abstract record available.
Inventors
- 👤 Horne Campbell Clouston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:53
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339; Y10T29/49341; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A PROCESS FOR THE PRODUCTION OF A FLUID-COOLED TAPERED TURBINE BLADE HAVING A ROOT INTEGRAL WITH THE BLADE AND HAVING A PLURALITY OF PAIRED COOLING PASSAGES EXTENDING FROM THE TIP END OF SAID BLADE TO THE END OF SAID ROOT, WHICH PAIRS MERGE AT THE TIP OF THE ROOD AND BLADE, WHICH COMPRISES PROVIDING A BILLET OR HEAT-RESISTANT METAL HAVING A PREDETERMINED BLADE PORTION AND ROOT PORTION, FORMING AND FILLING A PLURALITY OF PAIRED HOLES EXTENDING FROM THE TIP OF THE BLADE PORTION OF SAID BILLET INTO THE ROOT PORTION THEREOF, EACH OF SAID PAIR OF HOLES EXTENDING FROM A SINGLE HOLE IN THE TIP OF THE BLADE PORTION OF SAID BILLED AND EACH OF SAID HOLES OF SAID PAIR BEING OPPOSITELY INCLINED FROM THE LONGITUDINAL AXIS OF SAID BILLET, FORMING AND FILLING A PLURALITY OF PARALLEL HOLES EXTENDING FROM THE END OF THE ROOT PORTION OF SAID BILLET, EACH OF SAID PAIRS OF HOLES EXTENDING FROM A SINGLE HOLE IN THE END OF THE ROOT PORTION OF SAID BILET AND EACH OF HOLE OF SAID PAIRS CONNECTING WITH ONE OF SAID
Claim 2
Dependent Claim
182 words
A PROCESS FOR THE PRODUCTION OF A FLUID-COOLED TAPERED TURBINE BLADE HAVING A ROOT INTEGRAL WITH THE BLADE AND HAVING A PLURALITY OF PAIRED COOLING PASSAGES EXTENDING FROM THE TIP END OF SAID BLADE TO THE END OF SAID ROOT, WHICH PAIRS MERGE AT THE TIP OF THE ROOD AND BLADE, WHICH COMPRISES PROVIDING A BILLET OR HEAT-RESISTANT METAL HAVING A PREDETERMINED BLADE PORTION AND ROOT PORTION, FORMING AND FILLING A PLURALITY OF PAIRED HOLES EXTENDING FROM THE TIP OF THE BLADE PORTION OF SAID BILLET INTO THE ROOT PORTION THEREOF, EACH OF SAID PAIR OF HOLES EXTENDING FROM A SINGLE HOLE IN THE TIP OF THE BLADE PORTION OF SAID BILLED AND EACH OF SAID HOLES OF SAID PAIR BEING OPPOSITELY INCLINED FROM THE LONGITUDINAL AXIS OF SAID BILLET, FORMING AND FILLING A PLURALITY OF PARALLEL HOLES EXTENDING FROM THE END OF THE ROOT PORTION OF SAID BILLET, EACH OF SAID PAIRS OF HOLES EXTENDING FROM A SINGLE HOLE IN THE END OF THE ROOT PORTION OF SAID BILET AND EACH OF HOLE OF SAID PAIRS CONNECTING WITH ONE OF SAID
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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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |