Patent US2677392A successfully refreshed from Google Patents.
US2677392A
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US
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Multiple valve assembly with selective operator therefor
Assignee: RAYLEC ENGINEERING Inc
•
Filing: 1948-12-20
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Granted: 1954-05-04
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Expires: 1968-12-20
Abstract
No abstract record available.
Inventors
- 👤 George C Huppertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:26
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87048; Y10T137/87153; Y10T137/87161; Y10T137/87571; Y10T137/87587; Y10T137/87619; Y10T137/87627; Y10T137/87635
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2231460A
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US2372311A
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US2275963A
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US2302663A
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US2337659A
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US2472309A
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US2577524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |