US2596409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid gas valve
Assignee: A P CONTROLS Corp
•
Filing: 1947-03-14
•
Granted: 1952-05-13
•
Expires: 1967-03-14
Abstract
No abstract record available.
Inventors
- 👤 Roy W Johnson
- 👤 Cedric E Zarwell
- 👤 Lourdes V Mccarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:25
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US912866A
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US959618A
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US1128426A
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US1271670A
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US2031478A
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US2299654A
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US2357013A
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US2360945A
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US2358828A
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US2382664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |