US679687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushing apparatus, with valve-controlling apparatus for same.
Assignee: Individual
•
Filing: 1901-03-08
•
Granted: 1901-07-30
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Expires: 1921-03-08
Abstract
No abstract record available.
Inventors
- 👤 James Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:56
CPC Classifications
E; E03; E03D; E03D3/00; E03D3/10; Y; Y10; Y10S; Y10S137/00; Y10S137/901; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86381; Y10T137/86928; Y10T137/86936; Y10T137/86944; Y10T137/86976; Y10T137/87265; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87845
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) | 1904-07-29 | 1905-01-28 | 1905-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-07-29 | 1909-01-28 | 1909-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-07-29 | 1913-01-28 | 1913-07-30 | $7700.00 | Window Closed / Lapsed |