Patent US2664101A successfully refreshed from Google Patents.
US2664101A
Expired / Lapsed
US
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Automatic shutoff valve for pressure fluid systems
Assignee: Individual
•
Filing: 1950-11-29
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Granted: 1953-12-29
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Expires: 1970-11-29
Abstract
No abstract record available.
Inventors
- 👤 Cano Saul Betancourt
- 👤 Corchero Luis Lara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:10
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/28; B60T11/32; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7726; Y10T137/7727; Y10T137/7731; Y10T137/7771; Y10T137/7778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1905077A
Cited
US1922252A
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US2110342A
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US2127849A
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US2149295A
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US2201523A
Cited
US2386585A
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US2534871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |