US785134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushing-gate for sewers, &c.
Assignee: COFFIN VALVE Co
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Filing: 1905-01-09
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Granted: 1905-03-21
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Expires: 1925-01-09
Abstract
No abstract record available.
Inventors
- 👤 George S Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:47
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/0218; E; E02; E02B; E02B13/00; E02B13/02
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) | 1908-03-20 | 1908-09-19 | 1909-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-03-20 | 1912-09-19 | 1913-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-03-20 | 1916-09-19 | 1917-03-21 | $7700.00 | Window Closed / Lapsed |