Patent US3386461A successfully refreshed from Google Patents.
US3386461A
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US
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Multi-port orifice valve
Assignee: Huntsman Corp
•
Filing: 1965-07-02
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Granted: 1968-06-04
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Expires: 1985-07-02
Abstract
No abstract record available.
Inventors
- 👤 Fisher Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:44
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/10; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/4336; Y10T137/4351; Y10T137/8158; Y10T137/8359; Y10T137/8593; Y10T137/86928; Y10T137/87153; Y10T137/87161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US611392A
Cited
US1264775A
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US2318638A
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US2621012A
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FR1006997A
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US2707868A
Cited
US3228652A
Cited
US3289690A
Cited
US3322139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |