US2966926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meter flow valves
Assignee: W J SCHOENBERGER CO
•
Filing: 1957-05-14
•
Granted: 1961-01-03
•
Expires: 1977-05-14
Abstract
No abstract record available.
Inventors
- 👤 Edward J Zarybnicky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:53
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/10; F16K5/103; F16K5/106; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86743; Y10T137/86751; Y10T137/87096; Y10T137/87121; Y10T137/87129; Y10T137/87137; Y10T137/87265; Y10T137/87281; Y10T137/8729; Y10T137/87378; Y10T137/87386; Y10T137/87523
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB678980A
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US1506434A
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US1596043A
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US1621738A
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US1697953A
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GB362039A
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US2167433A
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US2224566A
Cited
US2262703A
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US2322518A
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US2650613A
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US2625909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |