US3040413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber yarns and compositions for use in the manufacture of same
Assignee: Owens Corning
•
Filing: 1957-04-09
•
Granted: 1962-06-26
•
Expires: 1977-04-09
Abstract
No abstract record available.
Inventors
- 👤 Marzocchi Alfred
- 👤 Harold L Haynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:35
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D02G3/16; D02G3/18; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/11; D06M15/19; D06M15/37; D06M15/39; D06M15/643; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN THE MANUFACTURE OF YARNS AND ROVINGS OF GLASS FIBERS WHICH INCLUDES THE STEPS OF GATERHING A PLURALITY OF GLASS FIBERS TOGETHER INTO AN ENDLESS STRAND, APPLYING A SIZE COMPOSITION TO THE FIBERS PRIOR TO STRAND FORMATION, AND FORMING A YARN OF SUCH STRANDS OF GLASS FIBERS, THE IMPROVEMENT IN WHICH THE SIZE COMPOSITION APPLIED TO THE GLASS FIBERS COMPRISES AN AQUEOUS SYSTEM CONTAINING 4-12 PERCENT BY WEIGHT OF POLYVINYL ACETATE, 0.4-2.0 PERCENT BY WEIGHT OF AN UNSATURATED ORGTANO-SILICON COMPOUND AND 0.5-2.0 PERCENT BY WEIGHT OF DEXTRINIZED STARCH, AND WHICH INCLUDES THE STEP OF DRAFTING THE SILVER AFTER THE SIZE COMPOSITION HAS BEEN APPLIED BUT BEFORE DRYING OF THE SIZE COMPOSITION APPLIED TO THE GLASS FIBER SURFACES.
Claim 2
Dependent Claim
117 words
IN THE MANUFACTURE OF YARNS AND ROVINGS OF GLASS FIBERS WHICH INCLUDES THE STEPS OF GATERHING A PLURALITY OF GLASS FIBERS TOGETHER INTO AN ENDLESS STRAND, APPLYING A SIZE COMPOSITION TO THE FIBERS PRIOR TO STRAND FORMATION, AND FORMING A YARN OF SUCH STRANDS OF GLASS FIBERS, THE IMPROVEMENT IN WHICH THE SIZE COMPOSITION APPLIED TO THE GLASS FIBERS COMPRISES AN AQUEOUS SYSTEM CONTAINING 4-12 PERCENT BY WEIGHT OF POLYVINYL ACETATE, 0.4-2.0 PERCENT BY WEIGHT OF AN UNSATURATED ORGTANO-SILICON COMPOUND AND 0.5-2.0 PERCENT BY WEIGHT OF DEXTRINIZED STARCH, AND WHICH INCLUDES THE STEP OF DRAFTING THE SILVER AFTER THE SIZE COMPOSITION HAS BEEN APPLIED BUT BEFORE DRYING OF THE SIZE COMPOSITION APPLIED TO THE GLASS FIBER SURFACES.
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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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |