Patent US2914772A successfully refreshed from Google Patents.
Patent US665887A successfully refreshed from Google Patents.
US665887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushing apparatus.
Assignee: Individual
•
Filing: 1900-03-09
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Granted: 1901-01-15
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Expires: 1920-03-09
Abstract
No abstract record available.
Inventors
- 👤 Charles B Emery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:58
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/28; G01F11/42; G01F11/44; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/469
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) | 1904-01-15 | 1904-07-16 | 1905-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-01-15 | 1908-07-16 | 1909-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-01-15 | 1912-07-16 | 1913-01-15 | $7700.00 | Window Closed / Lapsed |