US2565826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing device
Assignee: Individual
•
Filing: 1948-04-19
•
Granted: 1951-08-28
•
Expires: 1968-04-19
Abstract
No abstract record available.
Inventors
- 👤 Smith Oliver Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:41
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/90; B01F35/93
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US871906A
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US1284468A
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US1467342A
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US1428602A
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US1433755A
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US1734747A
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US2041359A
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US2075511A
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US2216604A
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US2226413A
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US2364961A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |