US3387828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer for particulate material
Assignee: Day International Corp
•
Filing: 1967-03-22
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Granted: 1968-06-11
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Expires: 1987-03-22
Abstract
No abstract record available.
Inventors
- 👤 Gene R Bosche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:25
CPC Classifications
B; B01; B01F; B01F29/00; B01F29/30; B01F29/32; B01F29/322; B01F29/20; B01F29/40; B01F29/401; B01F29/4011; B01F29/401195; B01F29/402; B01F29/4021; B01F29/403; B01F29/4036; B01F29/40363; B01F29/60; B01F29/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |