US2375498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid lockout device
Assignee: HOOF PRODUCTS Co
•
Filing: 1941-01-14
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Granted: 1945-05-08
•
Expires: 1961-01-14
Abstract
No abstract record available.
Inventors
- 👤 Clayton B Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:34
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/20; F16K17/22; F16K17/24; F16K17/28; F16K17/30; F16K15/00; F16K15/02; F16K15/04; F16K15/044; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7849; Y10T137/7904; Y10T137/7922; Y10T137/7927
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) | 1948-05-07 | 1948-11-06 | 1949-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-07 | 1952-11-06 | 1953-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-07 | 1956-11-06 | 1957-05-08 | $7700.00 | Window Closed / Lapsed |