Patent US7226477B2 successfully refreshed from Google Patents.
US3353784A
Expired / Lapsed
US
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Valve construction
Assignee: M&J Valve Co
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Filing: 1964-12-01
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Granted: 1967-11-21
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Expires: 1984-12-01
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Grove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:49
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/0227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3273587A
Cited
US2623724A
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US3006599A
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US3203442A
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US3166291A
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US3226769A
Cited
US3121553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |