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Patent US2828146A successfully refreshed from Google Patents.
US2828146A
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Coupling with sliding seal plates
Assignee: Eaton Aeroquip LLC
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Filing: 1952-10-08
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Granted: 1958-03-25
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Expires: 1972-10-08
Abstract
No abstract record available.
Inventors
- 👤 John C Abbey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:01
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/12; F16K; F16K3/00; F16K3/02; F16L37/28; F16L37/30; F16L37/367; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87933
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE510794A
Cited
US1947453A
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US2125334A
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US2271138A
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US2399516A
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US2399525A
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US2403620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |