Patent US1146832A successfully refreshed from Google Patents.
US1146832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushing-valve.
Assignee: Individual
•
Filing: 1911-12-21
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Granted: 1915-07-20
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Expires: 1931-12-21
Abstract
No abstract record available.
Inventors
- 👤 Charles A Wulf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:48
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/003; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759; Y10T137/86767
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) | 1918-07-19 | 1919-01-18 | 1919-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-07-19 | 1923-01-18 | 1923-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-07-19 | 1927-01-18 | 1927-07-20 | $7700.00 | Window Closed / Lapsed |