US947741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the electrolytical decomposition of alkali-chlorid solutions.
Assignee: Individual
•
Filing: 1909-01-07
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Granted: 1910-01-25
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Expires: 1929-01-07
Abstract
No abstract record available.
Inventors
- 👤 Johan Jacob Rink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:48
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/70; C25B9/005; 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) | 1913-01-24 | 1913-07-26 | 1914-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-01-24 | 1917-07-26 | 1918-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-01-24 | 1921-07-26 | 1922-01-25 | $7700.00 | Window Closed / Lapsed |