US3030071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erosion-resistant turbine blade
Assignee: General Electric Co
•
Filing: 1959-09-22
•
Granted: 1962-04-17
•
Expires: 1979-09-22
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Scheper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:11
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/147; F01D5/28; F05; F05D; F05D2240/00; F05D2240/80
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US996855A
Cited
US940802A
Cited
US1255650A
Cited
GB422896A
Cited
GB427778A
Cited
US2360130A
Cited
US2431660A
Cited
GB724392A
Cited
US2922619A
Cited
US2762559A
Cited
GB807231A
Cited
US2951677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |