US2980394A
Expired / Lapsed
US
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Temperature responsive variable means for controlling flow in turbomachines
Assignee: Garrett Corp
•
Filing: 1956-11-23
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Granted: 1961-04-18
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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 09:30
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
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References Cited (Backward Citations)
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US2474441A
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US2697326A
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US2761615A
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US2739782A
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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 |