US2629401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically controlled packless valve
Assignee: Hays Manufacturing Co
•
Filing: 1947-10-08
•
Granted: 1953-02-24
•
Expires: 1967-10-08
Abstract
No abstract record available.
Inventors
- 👤 Wesley G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:43
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/08; F16K31/086; F16K47/00; F16K47/02; F16K47/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US732851A
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US1245194A
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US1389056A
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US1807191A
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US2269484A
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US2307723A
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US2249160A
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US2285323A
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US2350905A
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US2371511A
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US2405127A
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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) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |