US712218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic cell.
Assignee: Individual
•
Filing: 1901-04-13
•
Granted: 1902-10-28
•
Expires: 1921-04-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Truesdell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:51
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/70; C25B11/00; C25B11/02; C25B11/033; C25B9/30; C25B9/303
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) | 1905-10-27 | 1906-04-28 | 1906-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-10-27 | 1910-04-28 | 1910-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-10-27 | 1914-04-28 | 1914-10-28 | $7700.00 | Window Closed / Lapsed |