US2649273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling the passage of a fluid
Assignee: Individual
•
Filing: 1947-06-03
•
Granted: 1953-08-18
•
Expires: 1967-06-03
Abstract
No abstract record available.
Inventors
- 👤 Pierre P Honegger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:43
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US82844A
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US678271A
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US780752A
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US1830407A
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US2001818A
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US2051350A
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US2072281A
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GB444678A
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FR816143A
Cited
US2128520A
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US2204191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |