US2792017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiway valve
Assignee: Individual
•
Filing: 1951-10-30
•
Granted: 1957-05-14
•
Expires: 1971-10-30
Abstract
No abstract record available.
Inventors
- 👤 Sol B Wiczer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:41
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/02; F16K27/0263; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86879; Y10T137/86895; Y10T137/87265; Y10T137/87322; Y10T137/87338
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US158305A
Cited
US502583A
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US2060220A
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US2068814A
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US2165096A
Cited
US2226192A
Cited
GB519086A
Cited
US2240163A
Cited
US2387007A
Cited
US2443679A
Cited
US2586932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |