Patent US3451404A successfully refreshed from Google Patents.
US3451404A
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US
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High energy loss fluid control
Assignee: IMI Critical Engineering LLC
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Filing: 1966-12-05
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Granted: 1969-06-24
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Expires: 1986-12-05
Abstract
No abstract record available.
Inventors
- 👤 Richard E Self
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:02
CPC Classifications
F; F16; F16K; F16K47/00; F16K47/08; F15; F15D; F15D1/00; F15D1/14; F16K25/00; F16K25/04; F16K3/00; F16K3/30; F16K3/34; F16K47/04; F16L; F16L55/00; F16L55/02; F16L55/027; F16L55/02763; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0396; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86734; Y10T137/86759; Y10T137/86791; Y10T137/86799
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1111244A
Cited
FR1075011A
Cited
US2821999A
Cited
US2918037A
Cited
US2939672A
Cited
US3170483A
Cited
US3316936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |