US948681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic separation of metal.
Assignee: Individual
•
Filing: 1908-04-16
•
Granted: 1910-02-08
•
Expires: 1928-04-16
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Chance
- 👤 Eleanor Kent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:50
CPC Classifications
C; C25; C25C; C25C7/00; C25C7/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1913-02-07 | 1913-08-09 | 1914-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-02-07 | 1917-08-09 | 1918-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-02-07 | 1921-08-09 | 1922-02-08 | $7700.00 | Window Closed / Lapsed |