Patent US3010469A successfully refreshed from Google Patents.
US3010469A
Expired / Lapsed
US
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Leak sealing valve for fluid brake systems
Assignee: Hydro Aire Inc
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Filing: 1960-02-23
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Granted: 1961-11-28
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Expires: 1980-02-23
Abstract
No abstract record available.
Inventors
- 👤 Leighton Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:18
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/28; B60T11/32; B60T11/326; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2655
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2944856A
Cited
US2930391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |