Patent US2731022A successfully refreshed from Google Patents.
US2731022A
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Speed regulating mechanism
Assignee: Garrett Corp
•
Filing: 1950-05-10
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Granted: 1956-01-17
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Expires: 1970-05-10
Abstract
No abstract record available.
Inventors
- 👤 Richard A Fischer
- 👤 Robert A Arthur
- 👤 James M Kemper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:44
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/20; F01D17/22; F01D17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1106434A
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US2020847A
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CH160847A
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US2077384A
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US2149390A
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US2227427A
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US2303752A
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US2219229A
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US2376212A
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US2514930A
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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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |