US3017159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow blade construction
Assignee: Curtiss Wright Corp
•
Filing: 1956-11-23
•
Granted: 1962-01-16
•
Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Foster Tom
- 👤 Werner E Howald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:51
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/3007; F01D5/02; F01D5/08; F01D5/081; F01D5/12; F01D5/14; F01D5/147; F01D5/18; F01D5/187; F05; F05D; F05D2230/00; F05D2230/20; F05D2230/23; F05D2240/00; F05D2240/10; F05D2240/12; F05D2240/126; F05D2260/00; F05D2260/20; F05D2260/221; F05D2260/2214; F05D2260/22141
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CH226751A
Cited
CH218976A
Cited
DE858335C
Cited
US2641440A
Cited
US2644665A
Cited
US2687278A
Cited
GB641146A
Cited
US2700530A
Cited
CH288547A
Cited
US2549819A
Cited
US2647368A
Cited
US2679669A
Cited
US2866313A
Cited
US2699598A
Cited
US2807437A
Cited
GB729665A
Cited
GB754217A
Cited
GB741508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |