US3356211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of ore particles preferentially coated with liquid fluorescent material
Assignee: Individual
•
Filing: 1964-12-07
•
Granted: 1967-12-05
•
Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Ted C Mathews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:22
CPC Classifications
B; B03; B03B; B03B1/00; B03B1/04; B07; B07C; B07C5/00; B07C5/34; B07C5/342; B07C5/3425; B07C5/3427; B07C5/36; B07C5/363; B07C5/365; B07C5/366
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
THE METHOD FOR THE CONCENTRATION OF ORE WHICH COMPRISES TREATING A QUANTITY OF CRUSHED ORE CONTAINING VARIOUS TYPES OF MINERALS WITH A LIQUID FLOURSCENT MATERIAL CAPABLE OF PREFERNTIALLY COATING SOME OF THE PARTCLES IN THE ORE, RADIATING THE TREATED QUANTITY OF ORE TO
Claim 2
Independent Claim
43 words
THE METHOD FOR THE CONCENTRATION OF ORE WHICH COMPRISES TREATING A QUANTITY OF CRUSHED ORE CONTAINING VARIOUS TYPES OF MINERALS WITH A LIQUID FLOURSCENT MATERIAL CAPABLE OF PREFERNTIALLY COATING SOME OF THE PARTCLES IN THE ORE, RADIATING THE TREATED QUANTITY OF ORE TO
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |