US3010145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing ball-like nodules of fine-grained ores and minerals
Assignee: Individual
•
Filing: 1957-03-01
•
Granted: 1961-11-28
•
Expires: 1977-03-01
Abstract
No abstract record available.
Inventors
- 👤 Rolfsen Ole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:54
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/14; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1685; B23B27/1688; C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/2406; Y; Y10; Y10S; Y10S425/00; Y10S425/101
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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |