US3006363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Check valve
Assignee: Motors Liquidation Co
•
Filing: 1958-11-20
•
Granted: 1961-10-31
•
Expires: 1978-11-20
Abstract
No abstract record available.
Inventors
- 👤 George W Jackson
- 👤 Gene L Dafler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:26
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/141; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2038055A
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DE571092C
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US2329960A
Cited
US2571893A
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US2925093A
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US2833306A
Cited
US2912999A
Cited
US2930399A
Cited
US2815041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |