Patent US3513865A successfully refreshed from Google Patents.
US3513865A
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US
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Fluid vortex valve
Assignee: Bendix Corp
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Filing: 1966-12-30
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Granted: 1970-05-26
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Expires: 1986-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jacq Van Der Heyden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:08
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/16; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2087; Y10T137/2109; Y10T137/2115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3001539A
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US3324891A
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US3192938A
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US3144309A
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US3187763A
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US3267946A
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US3335737A
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US3366370A
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US3358477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |