US2979424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal coated glass fibers and method of making them
Assignee: Owens Corning
•
Filing: 1953-09-17
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Granted: 1961-04-11
•
Expires: 1973-09-17
Abstract
No abstract record available.
Inventors
- 👤 Harry B Whitehurst
- 👤 Albert R Morrison
- 👤 Theodore J Collier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:09
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/42; C03C25/46; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/294; Y10T428/2956
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
THE METHOD OF PRODUCING GLASS FIBERS HAVING A THIN FILM OF METAL FORMED ON THE SURFACES THEREOF WITHOUT EXCESSIVE DETERIORATION OF THE PHYSICAL AND MECHANICAL PROPERTIES OF THE GLASS FIBERS, COMPRISING SIZING THE INDIVIDUAL GLASS FIBERS TO COAT THE GLASS FILAMENTS WITH A THIN COATING FORMED OF AN OIL VEHICLE AND THE FORMATE OF A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND THE NOBLE METALS CONTAINED IN AN OIL VEHICLE, HEATING THE COATED GLASS FIBERS TO AN ELEVATED TEMPERATURE ABOVE 400*F. BUT BELOW 750*F., TO IGNITE THE OIL WHEREBY THE METALLIC SALT DECOMPOSES TO ELIMINATE THE FORMATE AND DEPOSIT THE METAL AS A THIN FILM ON THE SURFACES OF THE INDIVIIDUAL GLASS FIBER.
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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) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |