US3379408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eccentric plug valve
Assignee: Joy Manufacturing Co
•
Filing: 1965-02-08
•
Granted: 1968-04-23
•
Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 William E Lowrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:02
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0663; F16K5/0684; F16K5/08; F16K5/14; F16K5/20; F16K5/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2574428A
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US2870987A
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US2941779A
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US2945669A
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US3064940A
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US3035811A
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US3079124A
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US3169547A
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US3170669A
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US3192948A
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US3155368A
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US3109623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |