Patent US2929406A successfully refreshed from Google Patents.
US2929406A
Expired / Lapsed
US
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Ball type valve
Assignee: Specialty Manufacturing Co Inc
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Filing: 1957-05-06
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Granted: 1960-03-22
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Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:22
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/06; F16K27/067; F16K5/00; F16K5/06; F16K5/0626; F16K5/0642; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/8807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1784381A
Cited
FR710360A
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DE744193C
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US2349978A
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US2485915A
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US2645448A
Cited
US2792196A
Cited
US2673062A
Cited
US2841429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |