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US1655683A
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Regulating mechanism fob turbine-driven centrifugal compressors
Assignee: —
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Filing: —
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Granted: 1928-01-10
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Expires: 1945-01-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:37
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0261; Y; Y02; Y02B; Y02B30/00; Y02B30/70; Y10; Y10S; Y10S60/00; Y10S60/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-01-09 | 1931-07-11 | 1932-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-01-09 | 1935-07-11 | 1936-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-01-09 | 1939-07-11 | 1940-01-10 | $7700.00 | Window Closed / Lapsed |