US2310975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve mechanism
Assignee: Dole Valve Co
•
Filing: 1940-09-07
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Granted: 1943-02-16
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Expires: 1960-09-07
Abstract
No abstract record available.
Inventors
- 👤 James K Lund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132; G05D23/134; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-02-15 | 1946-08-17 | 1947-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-15 | 1950-08-17 | 1951-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-15 | 1954-08-17 | 1955-02-16 | $7700.00 | Window Closed / Lapsed |