US2569700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making colored glass fibers
Assignee: Owens Corning
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Filing: 1947-06-14
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Granted: 1951-10-02
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Expires: 1967-06-14
Abstract
No abstract record available.
Inventors
- 👤 Charles J Stalego
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:48
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE PROCESS OF MAKING COLORED GLASS FIBERS WHICH COMPRISES PRODUCING A STREAM OF MOLTEN GLASS, DRAWING OUT THE STREAM INTO A FINE SOLIDIFIED FIBER, APPLYING A COLORING SUBSTANCE FROM A FLUID DISPERSION THEREOF ON THE SURFACE OF THE COLD FIBER, FUSING THE COLORING SUBSTANCE ON THE FIBER SURFACE BY THE APPLICATION OF HEAT TO PROVIDE AN INTEGRAL COLORED FILM ON THE SURFACE OF THE FIBER, AND DRAWING OUT THE COLORED FIBER BY THE APPLICATION OF ATTENUATING HEAT AND FORCES THERETO.
Claim 2
Dependent Claim
80 words
THE PROCESS OF MAKING COLORED GLASS FIBERS WHICH COMPRISES PRODUCING A STREAM OF MOLTEN GLASS, DRAWING OUT THE STREAM INTO A FINE SOLIDIFIED FIBER, APPLYING A COLORING SUBSTANCE FROM A FLUID DISPERSION THEREOF ON THE SURFACE OF THE COLD FIBER, FUSING THE COLORING SUBSTANCE ON THE FIBER SURFACE BY THE APPLICATION OF HEAT TO PROVIDE AN INTEGRAL COLORED FILM ON THE SURFACE OF THE FIBER, AND DRAWING OUT THE COLORED FIBER BY THE APPLICATION OF ATTENUATING HEAT AND FORCES THERETO.
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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) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |