US1395469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-way valve
Assignee: Western Wheeled Scraper Co
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Filing: 1918-12-02
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Granted: 1921-11-01
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Expires: 1938-12-02
Abstract
No abstract record available.
Inventors
- 👤 James D Benbow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:27
CPC Classifications
F; F16; F16K; F16K24/00; F16K24/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/8671; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208
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) | 1924-10-31 | 1925-05-02 | 1925-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-10-31 | 1929-05-02 | 1929-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-10-31 | 1933-05-02 | 1933-11-01 | $7700.00 | Window Closed / Lapsed |