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US2926784A
Expired / Lapsed
US
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Ore-collecting member for removing magnetizable particles from ore
Assignee: Individual
•
Filing: 1957-05-13
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Granted: 1960-03-01
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Expires: 1977-05-13
Abstract
No abstract record available.
Inventors
- 👤 Robert P Mcnaught
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:34
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/28
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) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |