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US709982A
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US
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Apparatus for separating magnetic and non-magnetic materials from one another.
Assignee: Individual
•
Filing: 1897-12-28
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Granted: 1902-09-30
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Expires: 1917-12-28
Abstract
No abstract record available.
Inventors
- 👤 Josef Wilhelm Rudolf Theodor Heberle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:01
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/10; B03C1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1905-09-29 | 1906-03-31 | 1906-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-09-29 | 1910-03-31 | 1910-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-09-29 | 1914-03-31 | 1914-09-30 | $7700.00 | Window Closed / Lapsed |