US2849393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathodic device for electrolytic cells having a moving mercury cathode
Assignee: Solvay SA
•
Filing: 1955-01-04
•
Granted: 1958-08-26
•
Expires: 1975-01-04
Abstract
No abstract record available.
Inventors
- 👤 Deprez Charles
- 👤 Clement Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:48
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/04; C25B11/042; C25B11/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN AN ELECTROLYTIC CELL INCLUDING A MOVING MERCURY CATINODE, A SUPPORT SURFACE FOR THE MERCURY, SAID SUPPORT SURFACE COMPRISING A MONOPLANAR SURFACE AREA FOR RECEIVING THE MERCURY CATHODE STREAM INTERRUPTED BY TWO SETS OF GROOVES EXTENDING INWARDLY IN A DIRECTION AWAY FROM THE EXPOSED SURFACE OF SAID MURCURY CATHODE STREAM, SAID TWO SETS OF GROOVES BEING INCLINED IN OPPOSITE DIRECTIONS AND INTERSECTING IN SUCH A MANNER THAT THEIR INTER-
Claim 2
Dependent Claim
69 words
IN AN ELECTROLYTIC CELL INCLUDING A MOVING MERCURY CATINODE, A SUPPORT SURFACE FOR THE MERCURY, SAID SUPPORT SURFACE COMPRISING A MONOPLANAR SURFACE AREA FOR RECEIVING THE MERCURY CATHODE STREAM INTERRUPTED BY TWO SETS OF GROOVES EXTENDING INWARDLY IN A DIRECTION AWAY FROM THE EXPOSED SURFACE OF SAID MURCURY CATHODE STREAM, SAID TWO SETS OF GROOVES BEING INCLINED IN OPPOSITE DIRECTIONS AND INTERSECTING IN SUCH A MANNER THAT THEIR INTER-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |