US2654564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shuttle valve
Assignee: Manning Maxwell and Moore Inc
•
Filing: 1949-12-24
•
Granted: 1953-10-06
•
Expires: 1969-12-24
Abstract
No abstract record available.
Inventors
- 👤 Karl H Pech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:51
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/56; F15; F15B; F15B13/00; F15B13/02; F15B13/028; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US767732A
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US1033103A
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US1764193A
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US1847073A
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GB543894A
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US2339378A
Cited
US2300694A
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US2417494A
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US2440478A
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US2354791A
Cited
US2524951A
Cited
US2481460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |