US2613058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooled bladed rotor
Assignee: Individual
•
Filing: 1946-11-19
•
Granted: 1952-10-07
•
Expires: 1966-11-19
Abstract
No abstract record available.
Inventors
- 👤 Atkinson Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:29
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/028; F01D5/08; F01D5/085; F01D5/087; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49321
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB319622A
Cited
FR736188A
Cited
US1959220A
Cited
FR790131A
Cited
US2187033A
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US2271971A
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US2354304A
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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) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |