US3067956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for pulverizing and/or decomposing solid materials
Assignee: KOHLSWA JERNVERKS AB
•
Filing: 1960-08-08
•
Granted: 1962-12-11
•
Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Tove Per Arne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:09
CPC Classifications
B; B22; B22F; B22F9/00; Y; Y10; Y10S; Y10S29/00; Y10S29/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1992938A
Cited
US2163649A
Cited
US2613877A
Cited
US2859952A
Cited
US2738172A
Cited
US2889580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |