US3297561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anode and supporting structure therefor
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1962-05-08
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Granted: 1967-01-10
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Expires: 1982-05-08
Abstract
No abstract record available.
Inventors
- 👤 Harrison Geoffrey Granville
- 👤 Prince Donald Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:28
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/02; C25B11/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN ANODE STRUCTURE FOR THE PRODUCTION OF CHLORINE BY ELECTROLYSIS OF BRINE, COMPRISING AN OPERATIVE ANODE SURFACE OF A PLATINUM METAL UPON MESH CONSISTING ESSENTIALLY OF TITANIUM, A PILLAR HAVING AN IMPERFORATE LOWER END FOR SUSPENDING SAID MESH IN THE CELL AND CONDUCTING ELECTROLYSING CURRENT TO THE MESH, THE END OF THE PILLAR ADJACENT TO THE MESH BEING SPACED FROM THE MESH SO THAT CHLORINE LIBERATED BY ELECTROLYSIS IN THE VICINITY OF THE PILLAR END IS NOT TRAPPED BUT CAN PASS THROUGH THE MESH AND MAKE ITS WAY PAST THE PILLAR TO EXIT FROM THE CELL BY WAY OF THE SPACE BETWEEN THE MESH AND THE PILLAR END AND MEANS FOR SUPPORTING AND SPACING SAID PILLAR FROM SAID MESH AND FOR CARRYING CURRENT FROM SAID PILLAR TO SAID MESH, SAID SUPPORTING AND SPACING MEANS HAVING OPENINGS THEREIN FOR THE ESCAPE OF SAID LIBERATED CHLORING GAS.
Claim 2
Dependent Claim
145 words
AN ANODE STRUCTURE FOR THE PRODUCTION OF CHLORINE BY ELECTROLYSIS OF BRINE, COMPRISING AN OPERATIVE ANODE SURFACE OF A PLATINUM METAL UPON MESH CONSISTING ESSENTIALLY OF TITANIUM, A PILLAR HAVING AN IMPERFORATE LOWER END FOR SUSPENDING SAID MESH IN THE CELL AND CONDUCTING ELECTROLYSING CURRENT TO THE MESH, THE END OF THE PILLAR ADJACENT TO THE MESH BEING SPACED FROM THE MESH SO THAT CHLORINE LIBERATED BY ELECTROLYSIS IN THE VICINITY OF THE PILLAR END IS NOT TRAPPED BUT CAN PASS THROUGH THE MESH AND MAKE ITS WAY PAST THE PILLAR TO EXIT FROM THE CELL BY WAY OF THE SPACE BETWEEN THE MESH AND THE PILLAR END AND MEANS FOR SUPPORTING AND SPACING SAID PILLAR FROM SAID MESH AND FOR CARRYING CURRENT FROM SAID PILLAR TO SAID MESH, SAID SUPPORTING AND SPACING MEANS HAVING OPENINGS THEREIN FOR THE ESCAPE OF SAID LIBERATED CHLORING GAS.
References Cited (Backward Citations)
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CA616029A
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CA631022A
Cited
US2681311A
Cited
US2719117A
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FR1217952A
Cited
FR1226153A
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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 |