Patent US2980394A successfully refreshed from Google Patents.
US2980394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature responsive variable means for controlling flow in turbomachines
Assignee: Garrett Corp
•
Filing: 1956-11-23
•
Granted: 1961-04-18
•
Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Beb H Rowlett
- 👤 Silver Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:41
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/02; F01D17/08; F01D17/085; G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024; G05D23/025; H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H2037/523
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2005193A
Cited
US2305311A
Cited
US2372686A
Cited
US2415673A
Cited
US2474441A
Cited
US2861774A
Cited
US2697326A
Cited
US2761615A
Cited
US2739782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |