Patent US2051018A successfully refreshed from Google Patents.
US883874A
Expired / Lapsed
US
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Fluid-mixer.
Assignee: Individual
•
Filing: 1907-04-22
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Granted: 1908-04-07
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Expires: 1927-04-22
Abstract
No abstract record available.
Inventors
- 👤 Charles Gambee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:21
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/312; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87587; Y10T137/87619; Y10T137/87627; Y10T137/87643; Y10T137/87917; Y10T137/88054
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) | 1911-04-07 | 1911-10-07 | 1912-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-04-07 | 1915-10-07 | 1916-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-04-07 | 1919-10-07 | 1920-04-07 | $7700.00 | Window Closed / Lapsed |