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US2803125A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for continuous treatment of fibers

Assignee: Johnson and Johnson
•
Filing: 1952-11-26
•
Granted: 1957-08-20
•
Expires: 1972-11-26
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Abstract

No abstract record available.

Inventors

  • 👤 Fred K Mesek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 01:32
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/02; D01; D01B; D01B3/00; D01B3/04; D01B3/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 149 words
APPARATUS FOR CONTINUOUSLY TREATING TEXTILE FIBERS COMPRISING A STRAIGHT CONDUIT FOR CONVEYING A SUSPENSION OF FIBERS IN A GAS, A CONDENSING CHAMBER COMMUNICATING WITH SAID CONDUIT, A MOVABLE FORAMINOUS SOLID SURFACE IN SAID CONDENSING CHAMBER, MEANS FOR WITHDRAWING GAS FROM THE OPPOSITE SIDE OF SAID FORAMINOUS SOLID SURFACE, MEANS FOR REMOVING SAID FIBER LAYER FROM SAID FORAMINOUS SOLID SURFACE, A SUBSTANTIALLY VERTICAL LOADING CONDUIT DISPOSED SUBJACENT SAID CONDENSING CHAMBER IN POSITIOJN TO RECEIVE SAID REMOVED LAYER, SAID CONDUIT HAVING SUBSTANTIALLY UNIFORM CROSS SECTIONAL AREA, A WIDTH SUBSTANTIALLY GREATER THAN THE WIDTH OF SAID REMOVED LAYER AND A THICKNESS SUBSTANTIALLY UNIFORM OVER THE EXTENT OF SAID LAYER WIDTH, MEANS FOR CONTINUOUSLY FEEDING LIQUID TO THE TOP OF THE LOADING CONDUIT UNIFORMLY DISTRIBUTED OVER THE WIDTH OF SAID CONDUIT, MEANS FOR AGITATING FIBERLIQUID MIXTURE WITHIN SAID CONDUIT, AND A CONTAINER FOR FIBER-LIQUID MIXTURE COMMUNICATING WITH THE BOTTOM OF SAID LOADING CONDUIT.
Claim 2
Dependent Claim 149 words
APPARATUS FOR CONTINUOUSLY TREATING TEXTILE FIBERS COMPRISING A STRAIGHT CONDUIT FOR CONVEYING A SUSPENSION OF FIBERS IN A GAS, A CONDENSING CHAMBER COMMUNICATING WITH SAID CONDUIT, A MOVABLE FORAMINOUS SOLID SURFACE IN SAID CONDENSING CHAMBER, MEANS FOR WITHDRAWING GAS FROM THE OPPOSITE SIDE OF SAID FORAMINOUS SOLID SURFACE, MEANS FOR REMOVING SAID FIBER LAYER FROM SAID FORAMINOUS SOLID SURFACE, A SUBSTANTIALLY VERTICAL LOADING CONDUIT DISPOSED SUBJACENT SAID CONDENSING CHAMBER IN POSITIOJN TO RECEIVE SAID REMOVED LAYER, SAID CONDUIT HAVING SUBSTANTIALLY UNIFORM CROSS SECTIONAL AREA, A WIDTH SUBSTANTIALLY GREATER THAN THE WIDTH OF SAID REMOVED LAYER AND A THICKNESS SUBSTANTIALLY UNIFORM OVER THE EXTENT OF SAID LAYER WIDTH, MEANS FOR CONTINUOUSLY FEEDING LIQUID TO THE TOP OF THE LOADING CONDUIT UNIFORMLY DISTRIBUTED OVER THE WIDTH OF SAID CONDUIT, MEANS FOR AGITATING FIBERLIQUID MIXTURE WITHIN SAID CONDUIT, AND A CONTAINER FOR FIBER-LIQUID MIXTURE COMMUNICATING WITH THE BOTTOM OF SAID LOADING CONDUIT.

References Cited (Backward Citations)

US663452A Cited
US1460519A Cited
US1527369A Cited
US1627037A Cited
US1834309A Cited
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US2513344A Cited
GB649451A Cited
US2568499A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-08-19 1961-02-18 1961-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-08-19 1965-02-18 1965-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-08-19 1969-02-18 1969-08-20 $7700.00 Window Closed / Lapsed

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