US2799598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of forming coated twisted yarns and woven fabrics and resultant article
Assignee: Owens Corning
•
Filing: 1951-08-17
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Granted: 1957-07-16
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Expires: 1971-08-17
Abstract
No abstract record available.
Inventors
- 👤 Lawrence P Biefeld
- 👤 Thomas E Philipps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:03
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; Y; Y10; Y10S; Y10S57/00; Y10S57/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN THE PROCESSING OF GLASS FIBERS COMPRISING THE STEPS OF APPLYING A SIZE COMPOSITION TO THE GLASS FIBERS IN FORMING, FORMING STRANDS OF THE SIZED GLASS FIBERS AND SUBSEQUENTLY PROCESSING THE STRANDS INTO TWISTED YARNS AND WOVEN FABRICS, THE IMPROVEMENT IN WHICH SAID SIZE COMPOSITION COMPRISES AN AQUEOUS COMPOSITION CONTAINING IN ADMIXTURE THE COMBINATION OF A WATER-INSOLUBLE FILMFORMING RESINOUS MATERIAL FORMED BY ADDITION POLYMERIZATION THROUGH ETHYLENICALLY UNSATURATED GROUPS AND A WATER-SOLUBLE POLYSILOXANOLATE IN WHICH THE MATERIALS ARE PRESENT IN THE RATIO OF 1-5 PARTS BY WEIGHT OF THE RESINOUS POLYMER TO 0.1-1.0 PART BY WEIGHT OF THE POLYSILOXANOLATE.
Claim 2
Dependent Claim
98 words
IN THE PROCESSING OF GLASS FIBERS COMPRISING THE STEPS OF APPLYING A SIZE COMPOSITION TO THE GLASS FIBERS IN FORMING, FORMING STRANDS OF THE SIZED GLASS FIBERS AND SUBSEQUENTLY PROCESSING THE STRANDS INTO TWISTED YARNS AND WOVEN FABRICS, THE IMPROVEMENT IN WHICH SAID SIZE COMPOSITION COMPRISES AN AQUEOUS COMPOSITION CONTAINING IN ADMIXTURE THE COMBINATION OF A WATER-INSOLUBLE FILMFORMING RESINOUS MATERIAL FORMED BY ADDITION POLYMERIZATION THROUGH ETHYLENICALLY UNSATURATED GROUPS AND A WATER-SOLUBLE POLYSILOXANOLATE IN WHICH THE MATERIALS ARE PRESENT IN THE RATIO OF 1-5 PARTS BY WEIGHT OF THE RESINOUS POLYMER TO 0.1-1.0 PART BY WEIGHT OF THE POLYSILOXANOLATE.
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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) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |