US978934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for continuous electrolysis of aqueous solutions.
Assignee: BASF Schweiz AG
•
Filing: 1909-11-17
•
Granted: 1910-12-20
•
Expires: 1929-11-17
Abstract
No abstract record available.
Inventors
- 👤 Albert Pietzsch
- 👤 Ewald Steinbuch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:34
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/34; C25B1/46
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) | 1913-12-19 | 1914-06-20 | 1914-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-12-19 | 1918-06-20 | 1918-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-12-19 | 1922-06-20 | 1922-12-20 | $7700.00 | Window Closed / Lapsed |