Patent US1097474A successfully refreshed from Google Patents.
US1097474A
Expired / Lapsed
US
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Device for mixing emulsions.
Assignee: Individual
•
Filing: 1913-07-23
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Granted: 1914-05-19
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Expires: 1933-07-23
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Gotthilf Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:32
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/40; B01F23/41; B01F25/00; B01F25/40; B01F25/44; B01F25/441; B01F25/4413; B01F25/442; B01F25/4422
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) | 1917-05-18 | 1917-11-17 | 1918-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-05-18 | 1921-11-17 | 1922-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-05-18 | 1925-11-17 | 1926-05-19 | $7700.00 | Window Closed / Lapsed |