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US3215277A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Dorr Oliver Inc
•
Filing: 1963-09-24
•
Granted: 1965-11-02
•
Expires: 1983-09-24
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Harry V Miles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 09:04
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/06; B01D33/073; B01D33/58; B01D33/60; B01D2201/00; B01D2201/28; B01D2201/282

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 189 words
IN A CONTINUOUS FILTER HAVING A TRAVELLING FILTER MEANS AND A LIQUID DISTRIBUTING MEANS SPACED UPWARDLY FROM THE FILTER MEANS FOR APPLYING WASH LIQUID TO THE FILTER MEANS, THE IMPROVEMENT WHICH COMPRISES AN ELONGATE GENERALLY HORIZONTAL LIQUID DISTRIBUTING MEMBER HAVING A BODY PORTION PRESENTING AN INCLINED FACE AND HAVING AN UPWARDLY TURNED LOWER EDGE PORTION CONSTITUTING WITH SAID INCLINED FACE A POCKET, AND HAVING A HORIZONTAL ROW OF DISCHARGE OPENINGS ALONG THE LOWER END THEREOF AND CLOSELY SPACED RELATIVE TO ONE ANOTHER, A LAYER OF FLOW RETARDANT LIQUID DISPERSING MATERIAL PROVIDED ON SAID INCLINED FACE AND IN SAID POCKET AND HAVING A BOTTOM EDGE PORTION EXTENDING HORIZONTALLY ADJACENT TO SAID ROW OF OPENINGS, SAID LIQUID SUPPLY MEANS SPACED UPWARDLY FROM SAID INCLINED FACE AND FROM SAID LAYER OF MATERIAL, SAID SUPPLY MEANS COMPRISING HORIZONTAL CONDUIT MEANS EXTENDING SUBSTANTIALLY THROUGHOUT THE LENGTH OF SAID LIQUID DISTRIBUTING MEMBER AND HAVING DISCHARGE OPENINGS SPACED ALONG THE LENGTH THEREOF, WHEREBY LIQUID FROM SAID SUPPLY MEANS TRAVERSES AND LAYER OF LIQUID DISPERSING MATERIAL BORE REACHING SAID DISCHARGE OPENINGS, SAID LIQUID DISPERSING MATERIAL SERVING TO EVENLY DISTRIBUTE LIQUID FROM SAID SUPPLY MEANS TO SAID OPENINGS.
Claim 2
Dependent Claim 189 words
IN A CONTINUOUS FILTER HAVING A TRAVELLING FILTER MEANS AND A LIQUID DISTRIBUTING MEANS SPACED UPWARDLY FROM THE FILTER MEANS FOR APPLYING WASH LIQUID TO THE FILTER MEANS, THE IMPROVEMENT WHICH COMPRISES AN ELONGATE GENERALLY HORIZONTAL LIQUID DISTRIBUTING MEMBER HAVING A BODY PORTION PRESENTING AN INCLINED FACE AND HAVING AN UPWARDLY TURNED LOWER EDGE PORTION CONSTITUTING WITH SAID INCLINED FACE A POCKET, AND HAVING A HORIZONTAL ROW OF DISCHARGE OPENINGS ALONG THE LOWER END THEREOF AND CLOSELY SPACED RELATIVE TO ONE ANOTHER, A LAYER OF FLOW RETARDANT LIQUID DISPERSING MATERIAL PROVIDED ON SAID INCLINED FACE AND IN SAID POCKET AND HAVING A BOTTOM EDGE PORTION EXTENDING HORIZONTALLY ADJACENT TO SAID ROW OF OPENINGS, SAID LIQUID SUPPLY MEANS SPACED UPWARDLY FROM SAID INCLINED FACE AND FROM SAID LAYER OF MATERIAL, SAID SUPPLY MEANS COMPRISING HORIZONTAL CONDUIT MEANS EXTENDING SUBSTANTIALLY THROUGHOUT THE LENGTH OF SAID LIQUID DISTRIBUTING MEMBER AND HAVING DISCHARGE OPENINGS SPACED ALONG THE LENGTH THEREOF, WHEREBY LIQUID FROM SAID SUPPLY MEANS TRAVERSES AND LAYER OF LIQUID DISPERSING MATERIAL BORE REACHING SAID DISCHARGE OPENINGS, SAID LIQUID DISPERSING MATERIAL SERVING TO EVENLY DISTRIBUTE LIQUID FROM SAID SUPPLY MEANS TO SAID OPENINGS.

References Cited (Backward Citations)

US447942A Cited
US1280439A Cited
US2115211A Cited
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US3075750A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-01 1969-05-03 1969-11-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-01 1973-05-03 1973-11-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-01 1977-05-03 1977-11-02 $7700.00 Window Closed / Lapsed

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