Patent US3460805A successfully refreshed from Google Patents.
US3460805A
Expired / Lapsed
US
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Valve head for by-pass valve
Assignee: Marvel Engineering Co
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Filing: 1966-10-18
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Granted: 1969-08-12
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Expires: 1986-10-18
Abstract
No abstract record available.
Inventors
- 👤 Walter J Kudlaty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:46
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/14; F16K15/148; F16K17/00; F16K17/02; F16K17/04; F16K17/044; F16K17/0466; F16K2200/00; F16K2200/30; F16K2200/302; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/789; Y10T137/7904; Y10T137/7905; Y10T137/7922; Y10T137/7929; Y10T137/7935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US828036A
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US1405968A
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US2803265A
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US2962047A
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US2854996A
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US3027134A
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US3028139A
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US3032060A
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US3171659A
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US3315696A
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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) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |