US2040356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid valve
Assignee: LEYLAND AND BIRMINGHAM RUBBER
•
Filing: 1934-09-11
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Granted: 1936-05-12
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Expires: 1954-09-11
Abstract
No abstract record available.
Inventors
- 👤 Butcher Henry James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:37
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; F16K15/202; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/8593; Y10T137/87153; Y10T137/87161; Y10T137/87917; Y10T137/87981
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) | 1939-05-12 | 1939-11-11 | 1940-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-12 | 1943-11-11 | 1944-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-12 | 1947-11-11 | 1948-05-12 | $7700.00 | Window Closed / Lapsed |