US2630139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid valve
Assignee: Eastman Kodak Co
•
Filing: 1946-07-19
•
Granted: 1953-03-03
•
Expires: 1966-07-19
Abstract
No abstract record available.
Inventors
- 👤 Gerhard R Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:11
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191509164A
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US1389056A
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US1464015A
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US1701191A
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US1967258A
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US2041416A
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US2302624A
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US2427439A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |