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Patent US3514076A successfully refreshed from Google Patents.
US3514076A
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Combination valve
Assignee: TESORO PUMP & VALVE Co A CORP OF
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Filing: 1967-12-18
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Granted: 1970-05-26
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Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Charles Wheatley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:45
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K15/034; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2544160A
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US2839082A
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US2934309A
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US3084904A
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US3082785A
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US3358709A
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US3334858A
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US3343803A
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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 |