Patent US3621136A successfully refreshed from Google Patents.
Patent US2757901A successfully refreshed from Google Patents.
US2757901A
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Composite turbine disc
Assignee: Kennametal Inc
•
Filing: 1953-02-24
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Granted: 1956-08-07
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Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 John R Mcveigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:19
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/021; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/1209; Y10T428/12229; Y10T428/12236; Y10T428/12243; Y10T428/1225; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972
Claims Analysis
Total Claims: 0
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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) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |