US1829089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer
Assignee: Individual
•
Filing: 1930-09-25
•
Granted: 1931-10-27
•
Expires: 1950-09-25
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:26
CPC Classifications
B; B01; B01F; B01F31/00; B01F31/20; B01F31/202; B01F35/00; B01F35/40; B01F35/42; B01F35/423
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) | 1934-10-26 | 1935-04-27 | 1935-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-10-26 | 1939-04-27 | 1939-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-10-26 | 1943-04-27 | 1943-10-27 | $7700.00 | Window Closed / Lapsed |