Patent US2916347A successfully refreshed from Google Patents.
US2916347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of coated glass fibers
Assignee: Owens Corning
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Filing: 1954-08-04
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Granted: 1959-12-08
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Expires: 1974-08-04
Abstract
No abstract record available.
Inventors
- 👤 Robert G Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:03
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/025; C03C; C03C25/00; C03C25/10; C03C25/12; Y; Y10; Y10S; Y10S264/00; Y10S264/73
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
41 words
THE METHOD OF PRODUCING COATED CONTINOUS GLASS FIBERS COMPRISING HEATING AND ATTENUATING A GLASS PRIMARY FIBER INTO A CONTINUOUS THIN SECONDARY FIBER, AND SIMULTANEOUSLY APPLYING TO SAID SECONDARY FIBER IN THE ZONE WHERE ATTENUATION OCCURS A COATING OF HEAT-LIQUEFIED COATING MATERIAL.
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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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |