US791305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of separating gold or other diamagnetic metals.
Assignee: Individual
•
Filing: 1903-08-26
•
Granted: 1905-05-30
•
Expires: 1923-08-26
Abstract
No abstract record available.
Inventors
- 👤 Louis T Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:12
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/005; B03C1/01
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) | 1908-05-29 | 1908-11-28 | 1909-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-05-29 | 1912-11-28 | 1913-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-05-29 | 1916-11-28 | 1917-05-30 | $7700.00 | Window Closed / Lapsed |