US2996186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical sorter for uranium ore
Assignee: Individual
•
Filing: 1957-11-01
•
Granted: 1961-08-15
•
Expires: 1977-11-01
Abstract
No abstract record available.
Inventors
- 👤 David E Loughran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:54
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/346; Y; Y10; Y10S; Y10S209/00; Y10S209/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1363762A
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US2045769A
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US2580360A
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US2587686A
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US2514405A
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US2617526A
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US2500492A
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US2717693A
Cited
US2730234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |