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US2920028A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrolytic cell series

Assignee: Columbia Southern Chemical Corp
•
Filing: 1954-07-12
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Granted: 1960-01-05
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Expires: 1974-07-12
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Abstract

No abstract record available.

Inventors

  • 👤 Forbes Sydney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 06:11
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/70; C25B9/13; C25B9/15; C25B9/17; C25B9/19

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 161 words
AN ELECTROLYTIC CELL SERIES COMPRISING A PLURALITY OF CELL UNITS EACH HAVING A BASE AND SIDE WALLS, A SERIES OF LONGITUDINALLY SPACED CATHODE STRUCTURES EACH HAVING AN END SECTION EXTENDING TRANSVERSELY OF THE CELL, SAID END SECTIONS FORMING END WALLS OF SAID CELL UNITS, SPACED CATHODE FINGERS EXTENDING FROM ONE SIDE OF SAID END SECTION IN A DIRECTION LONGITUDINALLY OF THE CELL AND A NON-CONDUCTIVE SURFACE ON THE OPPOSITE SAID OF SAID END SECTION SAID FINGERS TERMINATING SHORT OF THE END SECTION OF THE NEXT ADJACENT CATHODE, DIAPHRAGM MEANS SURROUNDING SAID CATHODE FINGERS AND DIVIDING EACH CELL UNIT INTO ANODE AND CATHODE COMPARTMENTS, COVER FOR EACH CELL UNIT ELECTRICALLY ISOLATED FROM THE CATHODE OF SAID UNIT, A PLURALITY OF GROOVES IN SAID COVER, ANODES DEPENDING FROM THE COVER INTO THE SPACES BETWEEN THE CATHODE FINGERS, SAID ANODES HAVING TOP PORTIONS RECEIVED IN THE GROOVES, AND MEANS FOR ELECTRICALLY CONNECTING THE COVER TO THE END SECTION OF THE NEXT ADJACENT CELL UNIT.

References Cited (Backward Citations)

US896749A Cited
US1206965A Cited
US1296046A Cited
US2330404A Cited
US2443112A Cited
US2617762A Cited
US2562150A Cited
US2515614A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-01-04 1963-07-06 1964-01-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-01-04 1967-07-06 1968-01-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-01-04 1971-07-06 1972-01-05 $7700.00 Window Closed / Lapsed

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