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US3297561A Expired / Lapsed US ⏱️ 0.0 years remaining

Anode and supporting structure therefor

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1962-05-08
•
Granted: 1967-01-10
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Expires: 1982-05-08
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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)

US2974098A Cited
CA616029A Cited
CA631022A Cited
US2681311A Cited
US2719117A Cited
DE934044C Cited
FR1217952A Cited
FR1226153A 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

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