US2925216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial flow compressor rotor construction
Assignee: Stalker Corp
•
Filing: 1952-09-10
•
Granted: 1960-02-16
•
Expires: 1972-09-10
Abstract
No abstract record available.
Inventors
- 👤 Edward A Stalker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:07
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB492801A
Cited
US2540991A
Cited
FR992645A
Cited
US2436087A
Cited
US2553442A
Cited
GB623710A
Cited
GB643237A
Cited
US2779565A
Cited
FR991982A
Cited
FR993590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |