Patent US653343A successfully refreshed from Google Patents.
US653343A
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US
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Electrostatic separation.
Assignee: THEODORE J MAYER
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Filing: 1899-12-02
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Granted: 1900-07-10
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Expires: 1919-12-02
Abstract
No abstract record available.
Inventors
- 👤 Elmer Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:32
CPC Classifications
B; B03; B03C; B03C7/00; B03C7/02; B03C7/12
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) | 1903-07-10 | 1904-01-09 | 1904-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-07-10 | 1908-01-09 | 1908-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-07-10 | 1912-01-09 | 1912-07-10 | $7700.00 | Window Closed / Lapsed |