US2433732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Dole Valve Co
•
Filing: 1943-08-27
•
Granted: 1947-12-30
•
Expires: 1963-08-27
Abstract
No abstract record available.
Inventors
- 👤 Clyde A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:21
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/04; F16K5/0457; F16K5/0464; Y; Y10; Y10S; Y10S251/00; Y10S251/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US207871A
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US888506A
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US862143A
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US1252490A
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US1743015A
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US1872417A
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US1999496A
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US2201895A
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US2233074A
Cited
US2290349A
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US2310583A
Cited
US2297161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |