Patent US2937656A successfully refreshed from Google Patents.
US2937656A
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US
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Flow rate compensator
Assignee: RTX Corp
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Filing: 1958-08-26
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Granted: 1960-05-24
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Expires: 1978-08-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Evans
- 👤 Richard K Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:40
CPC Classifications
F; F15; F15C; F15C4/00; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; G05D7/0193; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562; Y10T137/2574; Y10T137/2579; Y10T137/2594
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) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |