Patent US3012580A successfully refreshed from Google Patents.
US3012580A
Expired / Lapsed
US
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Service valve
Assignee: Stile Craft Manufacturers Inc
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Filing: 1958-06-09
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Granted: 1961-12-12
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Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Gerald L Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:51
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86879; Y10T137/86895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US250897A
Cited
US1683153A
Cited
US1683154A
Cited
FR640464A
Cited
US2006712A
Cited
US2186923A
Cited
US2840110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |