US2933235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable stator compressor
Assignee: General Electric Co
•
Filing: 1955-01-11
•
Granted: 1960-04-19
•
Expires: 1975-01-11
Abstract
No abstract record available.
Inventors
- 👤 Neumann Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:47
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
AT13298B
Cited
US1988163A
Cited
US2371706A
Cited
DE760799C
Cited
FR908121A
Cited
US2495433A
Cited
CH245483A
Cited
US2500070A
Cited
US2606713A
Cited
US2651496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |