US909789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushing-tank.
Assignee: Individual
•
Filing: —
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Granted: 1909-01-12
•
Expires: 1926-01-12
Abstract
No abstract record available.
Inventors
- 👤 Henry S Hawks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/34; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7365; Y10T137/7423
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) | 1912-01-12 | 1912-07-13 | 1913-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-01-12 | 1916-07-13 | 1917-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-01-12 | 1920-07-13 | 1921-01-12 | $7700.00 | Window Closed / Lapsed |