US2712429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control valve
Assignee: Individual
•
Filing: 1951-04-28
•
Granted: 1955-07-05
•
Expires: 1971-04-28
Abstract
No abstract record available.
Inventors
- 👤 Ray William Alton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:54
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/10; F16K31/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1637154A
Cited
US1996309A
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US2169696A
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US1992902A
Cited
US2121321A
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US2114446A
Cited
US2132204A
Cited
US2194276A
Cited
US2245834A
Cited
US2333261A
Cited
US2406246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |