Patent US2908290A successfully refreshed from Google Patents.
US2908290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shut-off valve
Assignee: Distillers Co Yeast Ltd
•
Filing: 1956-01-31
•
Granted: 1959-10-13
•
Expires: 1976-01-31
Abstract
No abstract record available.
Inventors
- 👤 Hamilton-Peters Rodney
- 👤 Philip Thomas Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:35
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/12; F16K7/14; F16K7/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87981
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US395334A
Cited
US2407761A
Cited
CH51686A
Cited
US1158869A
Cited
US2517061A
Cited
US2615670A
Cited
US2630834A
Cited
US2666278A
Cited
US2622619A
Cited
US2654559A
Cited
US2750959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |