US3011760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transpiration cooled turbine blade manufactured from wires
Assignee: Individual
•
Filing: 1953-10-20
•
Granted: 1961-12-05
•
Expires: 1973-10-20
Abstract
No abstract record available.
Inventors
- 👤 Ernst R G Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:06
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/18; F01D5/182; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339; Y10T29/49341
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB235304A
Cited
DE715421C
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US2529946A
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US2509376A
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FR924012A
Cited
US2509377A
Cited
GB619634A
Cited
GB619722A
Cited
US2774566A
Cited
FR1007303A
Cited
US2699598A
Cited
US2720356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |