US3207623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sized glass fiber
Assignee: Owens Corning
•
Filing: 1960-07-25
•
Granted: 1965-09-21
•
Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Marzocchi Alfred
- 👤 Nicholas S Janetos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:19
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/323; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2962
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
SIZED GLASS FIBERS WHEREIN GLASS FIBERS ARE SIZED TO PROVIDE A THIN COATING ON THE GLASS FIBER SURFACES CONSISTING OF AN ORGANO SILICON COMPOUND IN THE FORM OF A SILANE, ITS HYDROLYSIS PRODUCT AND ITS POLYMERIZATION PRODUCT WHEREIN THE SILANE IS FORMED WITH FROM 1-3 HYDROLYZABLE GROUPS AND AN ORGANIC GROUP ATTACHED TO THE SILICON ATOM CONTAINING A FUNCTIONAL GROUP, A WATER DISPERSIBLE POLYVINYL PYRROLIDONE, GELATIN, AND A WATER DISPERSIBLE POLYESTER RESIN SELECTED FROM THE GROUP CONSISTING OF A SATURATED POLYESTER RESIN, AND A MODIFIED POLYESTER RESIN, SAID POLYESTER RESIN HAVING A PLURALITY OF POLAR GROUPS SELECTED FROM THE GROUP CONSISTING OF HYDROXY, AMINO AND AMIDO GROUPS.
Claim 2
Dependent Claim
107 words
SIZED GLASS FIBERS WHEREIN GLASS FIBERS ARE SIZED TO PROVIDE A THIN COATING ON THE GLASS FIBER SURFACES CONSISTING OF AN ORGANO SILICON COMPOUND IN THE FORM OF A SILANE, ITS HYDROLYSIS PRODUCT AND ITS POLYMERIZATION PRODUCT WHEREIN THE SILANE IS FORMED WITH FROM 1-3 HYDROLYZABLE GROUPS AND AN ORGANIC GROUP ATTACHED TO THE SILICON ATOM CONTAINING A FUNCTIONAL GROUP, A WATER DISPERSIBLE POLYVINYL PYRROLIDONE, GELATIN, AND A WATER DISPERSIBLE POLYESTER RESIN SELECTED FROM THE GROUP CONSISTING OF A SATURATED POLYESTER RESIN, AND A MODIFIED POLYESTER RESIN, SAID POLYESTER RESIN HAVING A PLURALITY OF POLAR GROUPS SELECTED FROM THE GROUP CONSISTING OF HYDROXY, AMINO AND AMIDO GROUPS.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |