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US3671078A Expired / Lapsed US ⏱️ 0.0 years remaining

Material distributing system

Assignee: Fiber Controls Corp
•
Filing: 1969-07-09
•
Granted: 1972-06-20
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Expires: 1989-07-09
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Abstract

Abstract A SYSTEM FOR DISTRIBUTING FIBERS PNEUMATICALLY FROM A SOURCE TO ANY OF A PLURALITY OF DISTRIBUTORS AND ELECTRICAL CONTROL CIRCUITRY FOR DETERMINING WHICH DISTRIBUTORS RECEIVE FIBERS IN WHICH ORDER, SEVERAL ELECTRICAL CONTROL CIRCUITS FOR SEQUENTIALLY CHECKING EACH OF THE DISTRIBUTORS IN A SYSTEM TO DETERMINE WHICH OF THEM IS DEMANDING FIBERS AND TO SEQUENTIALLY SATISFY THE DEMANDS FOR FIBERS BY OPENING VALVES ASSOCIATED WITH THE DISTRIBUTORS SO THAT THE AIR STREAM CONTAINING THE FIBRS IS DRAWN INTO A DISTRIBUTOR, WHEREIN THE AIR STREAM AND THE FIBERS ARE SEPARATED, ARE DISCLOSED. ALSO DISCLOSED ARE A NUMBER OF DIFFERENT DISTRIBUTORS SUITABLE FOR REMOVING FIBERS FROM AIR STREAMS.

Inventors

  • 👤 Cecil S Wise

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 05:23
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/66; B65G47/00; B65G47/34; B65G47/46; B65G47/50

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) 1975-06-20 1975-12-20 1976-06-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-20 1979-12-20 1980-06-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-20 1983-12-20 1984-06-20 $7700.00 Window Closed / Lapsed

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