US2646245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-pressure fluid control valve
Assignee: Pirelli and C SpA
•
Filing: 1947-12-08
•
Granted: 1953-07-21
•
Expires: 1967-12-08
Abstract
No abstract record available.
Inventors
- 👤 Bedini Nerino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:15
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US174551A
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US517550A
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US2277395A
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US978288A
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US957347A
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US1495761A
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US1485792A
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US1853156A
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US2089977A
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CH176421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |