US2671033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored glass fiber products and methods of producing them
Assignee: Owens Corning
•
Filing: 1952-03-15
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Granted: 1954-03-02
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Expires: 1972-03-15
Abstract
No abstract record available.
Inventors
- 👤 Jack H Waggoner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:30
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/475; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2949; Y10T428/2962
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE METHOD OF TREATING GLASS FIBERS FOR IMPROVING ANCHORAGE OF COLORING AGENTS COMPRISING THE STEPS OF COATING THE GLASS FIBERS WITH A COMPOUND CONTAINING A SALT HAVING A METALLIC COMPONENT SELECTED FROM THE GROUP CONSISTING OF ANTIMONY, ZINC, TIN, LEAD, TITANIUM AND BARIUM AND WHICH WHEN HEATED TO HIGH TEMPERATURE ON THE GLASS FIBER SURFACES GIVES A SUBSTANTIALLY WHITE REACTION PRODUCT, AND THEN HEATING THE COATED FIBERS TO A TEMPERATURE FOR THE GLASS COMPOSITION THE FUSION TEMPERATURE FOR THE GLASS COMPOSITION OF WHICH THE FIBERS ARE FORMED FOR A TIME SUFFICIENT TO FORM THE REACTION PRODUCT ON THE GLASS FIBER SURFACES.
Claim 2
Independent Claim
101 words
THE METHOD OF TREATING GLASS FIBERS FOR IMPROVING ANCHORAGE OF COLORING AGENTS COMPRISING THE STEPS OF COATING THE GLASS FIBERS WITH A COMPOUND CONTAINING A SALT HAVING A METALLIC COMPONENT SELECTED FROM THE GROUP CONSISTING OF ANTIMONY, ZINC, TIN, LEAD, TITANIUM AND BARIUM AND WHICH WHEN HEATED TO HIGH TEMPERATURE ON THE GLASS FIBER SURFACES GIVES A SUBSTANTIALLY WHITE REACTION PRODUCT, AND THEN HEATING THE COATED FIBERS TO A TEMPERATURE FOR THE GLASS COMPOSITION THE FUSION TEMPERATURE FOR THE GLASS COMPOSITION OF WHICH THE FIBERS ARE FORMED FOR A TIME SUFFICIENT TO FORM THE REACTION PRODUCT ON THE GLASS FIBER SURFACES.
References Cited (Backward Citations)
GB559068A
Cited
US2436304A
Cited
US2563288A
Cited
US2608499A
Cited
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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) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |