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US3311552A Expired / Lapsed US ⏱️ 0.0 years remaining

Continuous brine pulsing softener

Assignee: Culligan Inc
•
Filing: 1964-01-08
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Granted: 1967-03-28
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Expires: 1984-01-08
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Abstract

No abstract record available.

Inventors

  • 👤 William A Staats

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 04:18
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/10

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 121 words
A METHOD OF REGENERATING ION EXCHANGE MATERIAL UTILIZED FOR THE CONTINUOUS SOFTENING OF HARD WATER PASSING THROUGH A BED OF THE ION EXCHANGE MATERIAL, COMPRISING THE STEPS OF PERIODICALLY REMOVING AN INCREMENT OF THE ION EXCHANGE MATERIAL FROM THE BED TO A REGENERATION CHAMBER ON TOP OF PREVIOUSLY REMOVED INCREMENTS OF MATERIAL, PASSING A BRINE SOLUTION THROUGH THE PREVIOUSLY REMOVED INCREMENTS AND THE NEWLY REMOVED INCREMENT OF MATERIAL AS A CONTINUOUS BED, SUBSEQUENTLY PASSING A FRESH WATER RINSE THROUGH THE INCREMENTS OF MATERIAL IN THE REGENERATION CHAMBER FROM THE SOFTENING BED OF MATERIAL WHEREBY EACH INCREMENT OF MATERIAL IS SUBJECTED TO A PLURALITY OF BRINE PULSES SEPARATED BY RINSE PULSES, AND RETURNING THE LOWERMOST INCREMENT TO THE ION EXCHANGE MATERIAL BED.

References Cited (Backward Citations)

US2852464A Cited
US3056743A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-03-27 1970-09-26 1971-03-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-03-27 1974-09-26 1975-03-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-03-27 1978-09-26 1979-03-28 $7700.00 Window Closed / Lapsed

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