Patent US2986806A successfully refreshed from Google Patents.
US2986806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of turbine or compressor blades
Assignee: Huntington Alloys Corp
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Filing: 1958-01-20
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Granted: 1961-06-06
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Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Harold W G Hignett
- 👤 Philip G Turner
- 👤 Alexander B Graham
- 👤 Campbell C Horne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:05
CPC Classifications
B; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |