US2919970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for attenuating and treating glass fibers
Assignee: Owens Corning
•
Filing: 1955-05-09
•
Granted: 1960-01-05
•
Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Robert G Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:41
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/12; B; B29; B29B; B29B15/00; B29B15/08; B29B15/10; B29B15/12; B29K; B29K2309/00; B29K2309/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A METHOD FOR FORMING, ATTENUATING AND COATING FILAMENTS WHICH INCLUDES THE STEPS OF FLOWING A PLURALITY OF STREAMS FROM A SUPPLY OF MOLTEN FIBER FORMING MATERIAL, ATTENUATING THE STREAMS INTO FIBERS, GATHERING THE FIBERS INTO GENERAL PARALLELISM IN A LOOSELY ASSOCIATED GROUP, AND APPLYING A COATING COMPOSITION TO THE GATHERED FIBERS, THE IMPROVEMENT WHICH COMPRISES DIRECTING A LIQUID COATING COMPOSITION UNDER PRESSURE AROUND THE GATHERED FIBERS, INTO CONTACT THEREWITH AND AT LEAST GENERALLY LONGITUDINALLY THEREALONG FOR COATING AND APPLYING TENSION TO SAID FIBERS AND FOR CAUSING ATTENUATION OF SAID STREAMS.
Claim 2
Dependent Claim
91 words
IN A METHOD FOR FORMING, ATTENUATING AND COATING FILAMENTS WHICH INCLUDES THE STEPS OF FLOWING A PLURALITY OF STREAMS FROM A SUPPLY OF MOLTEN FIBER FORMING MATERIAL, ATTENUATING THE STREAMS INTO FIBERS, GATHERING THE FIBERS INTO GENERAL PARALLELISM IN A LOOSELY ASSOCIATED GROUP, AND APPLYING A COATING COMPOSITION TO THE GATHERED FIBERS, THE IMPROVEMENT WHICH COMPRISES DIRECTING A LIQUID COATING COMPOSITION UNDER PRESSURE AROUND THE GATHERED FIBERS, INTO CONTACT THEREWITH AND AT LEAST GENERALLY LONGITUDINALLY THEREALONG FOR COATING AND APPLYING TENSION TO SAID FIBERS AND FOR CAUSING ATTENUATION OF SAID STREAMS.
References Cited (Backward Citations)
US1871100A
Cited
US2173789A
Cited
US2206058A
Cited
US2526775A
Cited
US2509279A
Cited
US2622306A
Cited
US2699415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |