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US1863252A
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US
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Outlet valve
Assignee: GEN AMERICAN TANK CAR CORP
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Filing: 1931-05-27
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Granted: 1932-06-14
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Expires: 1951-05-27
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:25
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36; F16K1/38; Y; Y10; Y10S; Y10S137/00; Y10S137/901; Y10T; Y10T137/00; Y10T137/598; Y10T137/6161; Y10T137/6164; Y10T137/6181
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) | 1935-06-14 | 1935-12-14 | 1936-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-06-14 | 1939-12-14 | 1940-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-06-14 | 1943-12-14 | 1944-06-14 | $7700.00 | Window Closed / Lapsed |