Patent FR973490A successfully refreshed from Google Patents.
Patent US3064940A successfully refreshed from Google Patents.
US3064940A
Expired / Lapsed
US
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Eccentric plug valve
Assignee: ACF Industries Inc
•
Filing: 1959-09-03
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Granted: 1962-11-20
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Expires: 1979-09-03
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Anderson
- 👤 Paul J Natho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:08
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/18; F16K5/184; F16K5/04; F16K5/045; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2043971A
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US2711302A
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US2803426A
Cited
FR1111699A
Cited
US2916254A
Cited
US2909126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |