Patent US2815042A successfully refreshed from Google Patents.
US2815042A
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Time delay valve
Assignee: Scovill Inc
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Filing: 1956-08-31
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Granted: 1957-12-03
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Expires: 1976-08-31
Abstract
No abstract record available.
Inventors
- 👤 Passaggio Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:48
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/001; F; F16; F16K; F16K21/00; F16K21/04; F16K21/06; F16K21/12; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86461; Y10T137/87169
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194346A
Cited
US2013665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |