US2534113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making nonwoven material
Assignee: United Merchants and Manuf Inc
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Filing: 1947-05-28
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Granted: 1950-12-12
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Expires: 1967-05-28
Abstract
No abstract record available.
Inventors
- 👤 Luis G Egger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:51
CPC Classifications
D; D04; D04H; D04H1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
METHOD OF MAKING NON-WOVEN FIBROUS MATERIAL, COMPRISING THE STEPS OF APPLYING AQUEOUS FILM OF A WATER-SOLUBLE ADHESIVE TO A TEMPORARY SUPPORT, DISTRIBUTING A LAYER OF DISCRETE FIBERS THEREOVER WHILE SAID FILM IS STILL IN AN ADHESIVE CONDITION, REMOVING THE WATER FROM SAID FILM TO CAUSE SAID FIBERS TO BE FIXED IN WEB FORM, APPLYING A COATING OF A WATER-INSOLUBLE RESINOUS FILM FORMING ORGANIC MATERIAL OVER THE SURFACE OF SAID FIBERS WHEREBY THE FIBERS ARE PARTIALLY EMBEDED IN THE RESINOUS FIL, DRYING SAID RESINOUS FIL, AND RELEASING THE WATER-INSOLUBLE RESINOUS FILM AND PARTIALLY EMBEDDED FIBERS FROM THE TEMPORARY SUPPORT BY DISSOLVING THE WATER-SOLUBLE ADHESIVE.
Claim 2
Dependent Claim
103 words
METHOD OF MAKING NON-WOVEN FIBROUS MATERIAL, COMPRISING THE STEPS OF APPLYING AQUEOUS FILM OF A WATER-SOLUBLE ADHESIVE TO A TEMPORARY SUPPORT, DISTRIBUTING A LAYER OF DISCRETE FIBERS THEREOVER WHILE SAID FILM IS STILL IN AN ADHESIVE CONDITION, REMOVING THE WATER FROM SAID FILM TO CAUSE SAID FIBERS TO BE FIXED IN WEB FORM, APPLYING A COATING OF A WATER-INSOLUBLE RESINOUS FILM FORMING ORGANIC MATERIAL OVER THE SURFACE OF SAID FIBERS WHEREBY THE FIBERS ARE PARTIALLY EMBEDED IN THE RESINOUS FIL, DRYING SAID RESINOUS FIL, AND RELEASING THE WATER-INSOLUBLE RESINOUS FILM AND PARTIALLY EMBEDDED FIBERS FROM THE TEMPORARY SUPPORT BY DISSOLVING THE WATER-SOLUBLE ADHESIVE.
References Cited (Backward Citations)
US689320A
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US1861003A
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US2222539A
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US2345013A
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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) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |