US3150946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for production of glass fibers
Assignee: Owens Corning
•
Filing: 1960-12-30
•
Granted: 1964-09-29
•
Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Robert G Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:58
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/0203; C03B37/0209; C03B37/0213; F; F28; F28D; F28D21/00; F28D2021/0019; F28D2021/0028; F28D2021/0029; F28D2021/0077; F28D2021/0078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METHOD FOR IMPROVING THE STABILITY OF PRODUCTION OF FIBERS OF HEAT-SOFTENABLE MATERIAL COMPRISING FLOWING AND LINEARLY ATTENUATING A PLURALITY OF MOLTEN STREAMS OF SUCH MATERIAL AT A RAPID VELOCITY FROM A FEEDER, AND DIFFUSING A UNIFORM FLOW OF CLEAN GAS INTO THE ZONE OF ATTENUATION FROM LOCATIONS BETWEEN PAIRS OF SAID STREAMS TO REDUCE FLOW OF INDUCED AIR INTO SAID ZONE FROM THE SURROUNDING ATMOSPHERE.
Claim 2
Independent Claim
66 words
A METHOD FOR IMPROVING THE STABILITY OF PRODUCTION OF FIBERS OF HEAT-SOFTENABLE MATERIAL COMPRISING FLOWING AND LINEARLY ATTENUATING A PLURALITY OF MOLTEN STREAMS OF SUCH MATERIAL AT A RAPID VELOCITY FROM A FEEDER, AND DIFFUSING A UNIFORM FLOW OF CLEAN GAS INTO THE ZONE OF ATTENUATION FROM LOCATIONS BETWEEN PAIRS OF SAID STREAMS TO REDUCE FLOW OF INDUCED AIR INTO SAID ZONE FROM THE SURROUNDING ATMOSPHERE.
References Cited (Backward Citations)
US2234986A
Cited
US2215982A
Cited
US2291289A
Cited
US2335135A
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US2418873A
Cited
US2634553A
Cited
US2706365A
Cited
GB774339A
Cited
US2908036A
Cited
US3002226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |