Patent US3297560A successfully refreshed from Google Patents.
US3297560A
Expired / Lapsed
US
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Apparatus for alkali chloride electrolysis having a corrosion assistant anode
Assignee: GEA Group AG
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Filing: 1962-08-17
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Granted: 1967-01-10
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Expires: 1982-08-17
Abstract
No abstract record available.
Inventors
- 👤 Schleicher Hans-Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:48
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/34; C25B1/36; C25B11/00; C25B11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN AN ELECTROLYTIC CELL INCLUDING AN ANODE AND A CATHODE THE IMPROVEMENT WHEREIN SAID ANODE COMPRISES A UNIT OF PARALLEL ELONGATED RODS OF COPPER CLAD WITH A THIN TUBE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, TANTALUM AND THIER ALLOYS, SAID RODS BEING IN ELECTRICAL COMMUNICATION WITH ONE ANOTHER AND DEFINING PARALLEL SECTIONS ADJACENT EACH OTHER BETWEEN ABOUT 0.1 AND 10 MILLIMETERS APART, THE PARALLEL SECTIONS BEING FLATTENED TO A THICKNESS OF ABOUT 5 MILLIMETERS AND HAVING ROWS OF WELD SPOTS OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE PLATINUM METALS AND THEIR ALLOYS ON THEIR UNDERSIDE.
Claim 2
Dependent Claim
102 words
IN AN ELECTROLYTIC CELL INCLUDING AN ANODE AND A CATHODE THE IMPROVEMENT WHEREIN SAID ANODE COMPRISES A UNIT OF PARALLEL ELONGATED RODS OF COPPER CLAD WITH A THIN TUBE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, TANTALUM AND THIER ALLOYS, SAID RODS BEING IN ELECTRICAL COMMUNICATION WITH ONE ANOTHER AND DEFINING PARALLEL SECTIONS ADJACENT EACH OTHER BETWEEN ABOUT 0.1 AND 10 MILLIMETERS APART, THE PARALLEL SECTIONS BEING FLATTENED TO A THICKNESS OF ABOUT 5 MILLIMETERS AND HAVING ROWS OF WELD SPOTS OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE PLATINUM METALS AND THEIR ALLOYS ON THEIR UNDERSIDE.
References Cited (Backward Citations)
US2795541A
Cited
GB896963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |