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 17:07
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
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References Cited (Backward Citations)
US395334A
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US2407761A
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CH51686A
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US1158869A
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US2517061A
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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 |