Patent US2839226A successfully refreshed from Google Patents.
US2839226A
Expired / Lapsed
US
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Anti-drip dispensing valve and nozzle
Assignee: Individual
•
Filing: 1955-11-21
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Granted: 1958-06-17
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Expires: 1975-11-21
Abstract
No abstract record available.
Inventors
- 👤 William M Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:03
CPC Classifications
F; F16; F16K; F16K23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US878241A
Cited
US976085A
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US1010909A
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US1531794A
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US2611525A
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US2501764A
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US2590206A
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US2579916A
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US2701676A
Cited
US2721021A
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US2703666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |