Patent US3036808A successfully refreshed from Google Patents.
US3036808A
Expired / Lapsed
US
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Stepped-opening solenoid valve
Assignee: EMERSON WHITE RODGERS Co
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Filing: 1959-06-29
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Granted: 1962-05-29
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Expires: 1979-06-29
Abstract
No abstract record available.
Inventors
- 👤 Leonard C Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:28
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/26; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F23Q; F23Q9/00; F23Q9/08; F23Q9/12
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |