Patent US2715910A successfully refreshed from Google Patents.
US2715910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float control valve
Assignee: Individual
•
Filing: 1950-03-25
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Granted: 1955-08-23
•
Expires: 1970-03-25
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Kass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:47
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/32; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US164944A
Cited
US334722A
Cited
US520148A
Cited
US758053A
Cited
US830235A
Cited
US916954A
Cited
US940295A
Cited
US940127A
Cited
US1089098A
Cited
US1179808A
Cited
US1177191A
Cited
US1246541A
Cited
US1641240A
Cited
US1727082A
Cited
US1885042A
Cited
GB466425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |