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US3796648A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrolytic cell having self-aligning anodes

Assignee: FMC Corp
•
Filing: 1971-12-22
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Granted: 1974-03-12
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Expires: 1991-12-22
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Abstract

Abstract This invention provides an improvement in electrolytic cells of the type having a porous diaphragm separating the anode and cathode of each unit cell and having a space between the anode and the porous diaphragm. Such electrolytic cells are used for the manufacture of hypochlorite or the production of chlorine and caustic alkali. Particularly, the improvement relates to minimizing the distance between the anode and cathode required for assembling the cell while maintaining a uniform gap between the anode and the diaphragm. The anode mounting assembly includes threaded studs which have a smaller diameter than the holes in the base plate though which the studs project, such that when the anodes are loosely held on the base plate, they can be self-aligned horizontally when a cathode is inserted between each pair of anodes.

Inventors

  • 👤 F Conner
  • 👤 T Fontalbert
  • 👤 Farland J Mc
  • 👤 D Lewis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:03
CPC Classifications
C; C25; C25B; C25B13/00; C25B9/00; C25B9/17; C25B9/19

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1977-03-11 1977-09-10 1978-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-03-11 1981-09-10 1982-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-03-11 1985-09-10 1986-03-12 $7700.00 Window Closed / Lapsed

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