Patent US2584716A successfully refreshed from Google Patents.
US2584716A
Expired / Lapsed
US
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Nondrip valve
Assignee: Individual
•
Filing: 1947-12-15
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Granted: 1952-02-05
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Expires: 1967-12-15
Abstract
No abstract record available.
Inventors
- 👤 Koppel Noah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:57
CPC Classifications
F; F16; F16K; F16K23/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US295676A
Cited
GB190619931A
Cited
US1522809A
Cited
US1548512A
Cited
US1957736A
Cited
US2035438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |