Patent US2926634A successfully refreshed from Google Patents.
US2926634A
Expired / Lapsed
US
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Flow control valve
Assignee: SHERMAN PRODUCTS Inc
•
Filing: 1958-07-18
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Granted: 1960-03-01
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Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Eugene L Falendysz
- 👤 Rodger T Lovrenich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:38
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/38; E02F3/382; E02F3/384; F; F15; F15B; F15B13/00; F15B13/01; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2554; Y10T137/2703; Y10T137/2705
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2378409A
Cited
US2558520A
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US2703217A
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US2648346A
Cited
US2720755A
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US2783020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |