US1382027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for flushing-tanks
Assignee: Individual
•
Filing: 1919-11-21
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Granted: 1921-06-21
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Expires: 1939-11-21
Abstract
No abstract record available.
Inventors
- 👤 John S Sweeny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:11
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/02; E03D1/04; E03D1/05; E03D1/056; F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16K31/26; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7287; Y10T137/7358; Y10T137/7381; Y10T137/7394; Y10T137/7439; Y10T137/7475
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) | 1924-06-20 | 1924-12-20 | 1925-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-06-20 | 1928-12-20 | 1929-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-06-20 | 1932-12-20 | 1933-06-21 | $7700.00 | Window Closed / Lapsed |