Patent US3356211A successfully refreshed from Google Patents.
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 15:01
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
References Cited (Backward Citations)
US1577328A
Cited
US2096099A
Cited
US2267999A
Cited
US2717693A
Cited
US2878392A
Cited
US3011634A
Cited
US3016143A
Cited
US3118060A
Cited
US3061723A
Cited
US3255881A
Cited
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 |