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US3594273A Expired / Lapsed US ⏱️ 0.0 years remaining

Sequential accretion of plural-fiber articles

Assignee: Specialty Materials Inc
•
Filing: 1967-05-15
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Granted: 1971-07-20
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Expires: 1987-05-15
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Abstract

Abstract DETERMINED AMOUNTS OF SLURRY ARE METERED TO THE RECEPTACLE AND EACH ACCRETION DEPLETES SUBSTANTIALLY THE ENTIRE METERED AMOUNTS. A METHOD AND APPARATUS FOR ACCRETING FIBROUS PARTICLES CONTAINING A PLURALITY OF FIBROUS COMPONENTS. A PLURALITY OF SLURRY TANKS SUPPLY A PLURALITY OF DIFFERENT STOCK SLURRIES TO AN ACCRETING RECEPTACLE WITH AN ARTICLE FORMER THEREIN. THE SLURRIES ARE SUPPLIED TO THE ACCRETING RECEPTACLE SUBSTANTIALLY AT THE MID-PORTION OF THE FORMER. BY MEANS OF A SERIES OF CONDUITS AND VALVES, THE STOCK SLURRY TANKS ARE SERIALLY INTERCONNECTED SO THAT THE SLURRIES MAY BE SUPPLIED TO THE RECEPTACLE IN ANY SEQUENTIAL ORDER AND IN ANY MIXED PROPORTIONS, THE CONDUITS AND VALVES BEING CONNECTED TO THE TANKS SO AS TO BY-PASS ANY PARTICULAR TANK WHEN DESIRED. ANOTHER CONDUIT AND VALVE IS PROVIDED TO SUPPLY LIQUID DIRECTLY TO THE RECEPTACLE SO AS TO KEEP THE FORMER CONTINUOUSLY SUBMERGED IN LIQUID. PRE-

Inventors

  • 👤 John Covington Williams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 16:55
CPC Classifications
D; D21; D21J; D21J5/00

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) 1974-07-19 1975-01-18 1975-07-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-07-19 1979-01-18 1979-07-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-07-19 1983-01-18 1983-07-20 $7700.00 Window Closed / Lapsed

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