US2945633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated dry material reducing and classifying means
Assignee: Microcyclomat Co
•
Filing: 1955-12-19
•
Granted: 1960-07-19
•
Expires: 1975-12-19
Abstract
No abstract record available.
Inventors
- 👤 Henry G Lykken
- 👤 William H Lykken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:26
CPC Classifications
B; B02; B02C; B02C23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1305413A
Cited
US2219720A
Cited
DE750314C
Cited
US2487941A
Cited
US2728456A
Cited
US2717741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |