US3018792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual orifice valve
Assignee: Delavan Manufacturing Co
•
Filing: 1959-02-16
•
Granted: 1962-01-30
•
Expires: 1979-02-16
Abstract
No abstract record available.
Inventors
- 👤 James R Brucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:09
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0433; F16K17/08; F16K17/082; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US217745A
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US1360160A
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US2297535A
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US2622613A
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US2593884A
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US2674260A
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US2875978A
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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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |