US2622392A
Expired / Lapsed
US
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Control means for variable load multiple stage gas turbine systems
Assignee: JARVIS C MARBLE
•
Filing: 1944-09-11
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Granted: 1952-12-23
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Expires: 1964-09-11
Abstract
No abstract record available.
Inventors
- 👤 Boestad Gustav Karl William
- 👤 Lindhagen Teodor Immanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:55
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/42; F02C6/00; F02C6/003; F02C6/18; F02C7/00; F02C7/08; F02C9/16; F02C9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |