US2631602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float operating inlet control valve
Assignee: —
•
Filing: —
•
Granted: 1953-03-17
•
Expires: 1970-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:51
CPC Classifications
F; F16; F16K; F16K21/00; F16K21/04; F16K21/18; E; E03; E03D; E03D1/00; E03D1/30; E03D1/33; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16K31/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |