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US2832562A
Expired / Lapsed
US
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Light weight plug valve
Assignee: Individual
•
Filing: 1953-04-28
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Granted: 1958-04-29
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Expires: 1973-04-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:18
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/02; F16K5/0292; F16K27/00; F16K27/06; F16K27/062; F16K5/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US222780A
Cited
US865406A
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US1416173A
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US1909303A
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US2138767A
Cited
US2271349A
Cited
US2571925A
Cited
US2619088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |