US2981517A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bladed wheels, more particularly for gas turbines
Assignee: Individual
•
Filing: 1958-08-18
•
Granted: 1961-04-25
•
Expires: 1978-08-18
Abstract
No abstract record available.
Inventors
- 👤 Georges Raymond Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:39
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US532232A
Cited
US752340A
Cited
US700314A
Cited
US881409A
Cited
US1178452A
Cited
US2601969A
Cited
US2819869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |