US3533566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stirrer-ball mill
Assignee: AUTOMATICA SA
•
Filing: 1967-12-18
•
Granted: 1970-10-13
•
Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Kurt Macquat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:55
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2578274A
Cited
US2779752A
Cited
US2943800A
Cited
US3233835A
Cited
US3337140A
Cited
US3311310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |