US2923461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse axial-flow compressor
Assignee: Garrett Corp
•
Filing: 1953-04-27
•
Granted: 1960-02-02
•
Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Dallenbach Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:03
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/06; F04D25/0606; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/541
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US936114A
Cited
US1858261A
Cited
US1958145A
Cited
US2208615A
Cited
US2258793A
Cited
US2321126A
Cited
US2369986A
Cited
US2394517A
Cited
US2435236A
Cited
US2592471A
Cited
US2661146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |