US1436172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing device
Assignee: Individual
•
Filing: 1922-04-27
•
Granted: 1922-11-21
•
Expires: 1942-04-27
Abstract
No abstract record available.
Inventors
- 👤 Holmgren Gottfrid
- 👤 William A Scharnhorst
- 👤 Ralph W Trask
- 👤 Russell Earl Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:59
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/051; B01F27/054; B01F27/0542
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) | 1925-11-20 | 1926-05-22 | 1926-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-11-20 | 1930-05-22 | 1930-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-11-20 | 1934-05-22 | 1934-11-21 | $7700.00 | Window Closed / Lapsed |