US2792983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial flow compressors with adjustable stages
Assignee: Individual
•
Filing: 1954-11-05
•
Granted: 1957-05-21
•
Expires: 1974-11-05
Abstract
No abstract record available.
Inventors
- 👤 Edward A Stalker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:39
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE364732C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |