Patent US2942618A successfully refreshed from Google Patents.
US2942618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-low automatic shut-off valve
Assignee: Sunoco Inc
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Filing: 1958-08-21
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Granted: 1960-06-28
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Expires: 1978-08-21
Abstract
No abstract record available.
Inventors
- 👤 James W Hodges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:28
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/14; F16K17/00; F16K31/00; F16K31/12; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7725; Y10T137/773
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |