US814864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic apparatus.
Assignee: Individual
•
Filing: 1905-04-27
•
Granted: 1906-03-13
•
Expires: 1925-04-27
Abstract
No abstract record available.
Inventors
- 👤 Frank Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:15
CPC Classifications
C; C25; C25C; C25C7/00; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/467; C02F1/4672
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) | 1909-03-12 | 1909-09-11 | 1910-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-03-12 | 1913-09-11 | 1914-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-03-12 | 1917-09-11 | 1918-03-13 | $7700.00 | Window Closed / Lapsed |