US2694290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulator for limiting compressor pressure rise
Assignee: RTX Corp
•
Filing: 1951-07-25
•
Granted: 1954-11-16
•
Expires: 1971-07-25
Abstract
No abstract record available.
Inventors
- 👤 Stanley G Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:52
CPC Classifications
F; F02; F02K; F02K3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1254869A
Cited
US2222237A
Cited
US2111230A
Cited
US2315715A
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US2323838A
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US2384282A
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US2411312A
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US2422808A
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US2531780A
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US2560118A
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US2590853A
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US2503048A
Cited
US2594689A
Cited
FR941556A
Cited
US2545698A
Cited
US2570591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |