US2661022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control device
Assignee: Merlin Gerin SA
•
Filing: 1947-07-23
•
Granted: 1953-12-01
•
Expires: 1967-07-23
Abstract
No abstract record available.
Inventors
- 👤 Latour Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:13
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/7743
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US946215A
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US1037910A
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US1142852A
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US1606274A
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US1937929A
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US2051938A
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US2257361A
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US2444471A
Cited
US2427751A
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US2537308A
Cited
US2557536A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |