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US2676604A
Expired / Lapsed
US
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Combined control valve and bleeder valve
Assignee: Individual
•
Filing: 1950-04-07
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Granted: 1954-04-27
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Expires: 1970-04-07
Abstract
No abstract record available.
Inventors
- 👤 Senna Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:16
CPC Classifications
F; F16; F16K; F16K24/00; F16K24/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6988; Y10T137/8593; Y10T137/86292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |