Patent US2803125A successfully refreshed from Google Patents.
US2803125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuous treatment of fibers
Assignee: Johnson and Johnson
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Filing: 1952-11-26
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Granted: 1957-08-20
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Expires: 1972-11-26
Abstract
No abstract record available.
Inventors
- 👤 Fred K Mesek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:41
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.
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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) | 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 |