US2861592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plunger valve with solenoid pilot and manual override valve mechanism
Assignee: Individual
•
Filing: 1954-03-11
•
Granted: 1958-11-25
•
Expires: 1974-03-11
Abstract
No abstract record available.
Inventors
- 👤 John E Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:22
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/42; F16K31/423; F16K31/426; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2387008A
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US2517061A
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US2605079A
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US2616449A
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US2661182A
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US2621885A
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US2645450A
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US2741478A
Cited
US2624585A
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US2826178A
Cited
US2823647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |