Patent US3119749A successfully refreshed from Google Patents.
Patent FR1166831A successfully refreshed from Google Patents.
FR1166831A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electrolytic process for the separation of purified elements, in particular heavy water
Assignee: Jean-Charles Seailles
•
Filing: 1957-02-01
•
Granted: 1958-11-17
•
Expires: 1977-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jean-Charles Seailles
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 07:12
CPC Classifications
C; C21; C21B; C21B5/00; C01; C01B; C01B5/00; C01B5/02
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
Maintenance schedule is calculated for granted US utility patents.