Patent US3374731A successfully refreshed from Google Patents.
US3374731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric printing
Assignee: Armstrong World Industries Inc
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Filing: 1964-11-30
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Granted: 1968-03-26
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Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Thorne Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:56
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A METHOD OF PRINTING A PATTERN ON A PILE FABRIC COMPRISING DISPOSING OVER THE FABRIC IN PROXIMITY TO THE SURFACE OF THE PILE A SCREEN AT LEAST AS FINE AS 300 MESH HAVING BLOCKING AT PORTIONS THEREOF SO AS TO FORM SAID PATTERN AT THE UNBLOCKED PARTS; SELECTING A LIQUID COLORING MATERIAL OF SUFFICIENT VISCOSITY TO BE RETAINED AGAINST GARVITY ON SAID SCREEN AND TO MAINTAIN A MECHANICALLY GRADED LEVEL; APPLYING SAID LIQUID COLORING MATERIAL IN A RELATIVELY THICK LAYER OF LIQUID COLORING MATERIAL ON THE FACE OF THE SCREEN OPPOSITE TO THE FABRIC TO A CONTROLLED SUBSTANTIALLY UNIFORM THICKNESS OF AT LEAST 1/50 INCH BY MECHANICAL GRADING; DIRECTING A TRANSIENT GAS PRESSURE INCREASE AGAINST THE FREE SURFACE OF SAID LIQUID COLORING LAYER SUFFICIENT TO CAUSE PASSAGE OF ALL THE COLORING MATERIAL OVERLYING SAID UNBLOCKED SCREEN PORTIONS THERETHROUGH INTO SAID PILE FABRIC.
Claim 2
Independent Claim
142 words
A METHOD OF PRINTING A PATTERN ON A PILE FABRIC COMPRISING DISPOSING OVER THE FABRIC IN PROXIMITY TO THE SURFACE OF THE PILE A SCREEN AT LEAST AS FINE AS 300 MESH HAVING BLOCKING AT PORTIONS THEREOF SO AS TO FORM SAID PATTERN AT THE UNBLOCKED PARTS; SELECTING A LIQUID COLORING MATERIAL OF SUFFICIENT VISCOSITY TO BE RETAINED AGAINST GARVITY ON SAID SCREEN AND TO MAINTAIN A MECHANICALLY GRADED LEVEL; APPLYING SAID LIQUID COLORING MATERIAL IN A RELATIVELY THICK LAYER OF LIQUID COLORING MATERIAL ON THE FACE OF THE SCREEN OPPOSITE TO THE FABRIC TO A CONTROLLED SUBSTANTIALLY UNIFORM THICKNESS OF AT LEAST 1/50 INCH BY MECHANICAL GRADING; DIRECTING A TRANSIENT GAS PRESSURE INCREASE AGAINST THE FREE SURFACE OF SAID LIQUID COLORING LAYER SUFFICIENT TO CAUSE PASSAGE OF ALL THE COLORING MATERIAL OVERLYING SAID UNBLOCKED SCREEN PORTIONS THERETHROUGH INTO SAID PILE FABRIC.
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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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |