US2625166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve mechanism
Assignee: Lindsay Co
•
Filing: 1946-01-23
•
Granted: 1953-01-13
•
Expires: 1966-01-23
Abstract
No abstract record available.
Inventors
- 👤 Lynn G Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:25
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/14; F16K31/143; Y; Y10; Y10T; Y10T137/00; Y10T137/1624
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US602548A
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US749910A
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US907951A
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US1286485A
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US1964302A
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US1924868A
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US2159640A
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US2148317A
Cited
US2292801A
Cited
US2347202A
Cited
US2347203A
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US2347204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |