US3073005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite fibers
Assignee: Owens Corning
•
Filing: 1957-12-30
•
Granted: 1963-01-15
•
Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Tiede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:09
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/022; C03B37/023; C03B37/075; C03B37/0753; D; D02; D02G; D02G1/00; D02G1/18; C03B2203/00; C03B2203/02; C03B2203/06; C03C; C03C2213/00; C03C2213/04; Y; Y10; Y10S; Y10S425/00; Y10S425/217; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2924; Y10T428/2925; Y10T428/2933; Y10T428/2964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A COMPOSITE FIBER OF TWO HEAT-SOFTENABLE MATERIALS AT LEAST ONE OF WHICH IF GLASS, SAID TWO MATERIALS HAVING DIFFERENT COEFFICIENTS OF EXPANSION AND HAVING BEEN ALIGNED WHILE IN A HEAT SOFTENED CONDITION IN SUBSTANTIALLY UNIFORM SIDE-BY-SIDE RELATION EXTENDING THROUGHOUT THE LENGTH OF THE FIBER, THE TWO MATERIALS BEING PRESENT IN THE CROSSSECTION OF THE FIBER IN A QUANTITY RATIO WHICH IS SUBSTANTIALLY CONSTANT FOR THE FULL LENGTH OF THE FIBER AND EACH BEING PRESENT IN AN AMOUNT SUFFICIENT TO EFFECTIVELY ESTABLISH UPON HAVING BEEN COOLED THE LENGTH OF THE RESPECTIVE SIDE OF THE FIBER UPON WHICH EACH MATERIAL IS DISPOSED SAID FIBER BEING SUFFICIENTLY SMALL IN DIAMETER AND THE THERMAL COEFFICIENTS OF EXPANSION OF THE TWO MATERIALS BEING SUFFICIENTLY DIFFERENT TO CAUSE THE LENGTH OF ONE SIDE OF SAID FIBER TO BE SHORTER THAN THE OTHER TO THE EXTENT THAT SAID FIBER CURLS BACK UPON ITSELF TO FORM A SERIES OF CONTIGUOUS LOOPS ALONG ITS LENGTH TO IMPART A GENERALLY HELICAL CONFIGURATION THERETO.
Claim 2
Dependent Claim
163 words
A COMPOSITE FIBER OF TWO HEAT-SOFTENABLE MATERIALS AT LEAST ONE OF WHICH IF GLASS, SAID TWO MATERIALS HAVING DIFFERENT COEFFICIENTS OF EXPANSION AND HAVING BEEN ALIGNED WHILE IN A HEAT SOFTENED CONDITION IN SUBSTANTIALLY UNIFORM SIDE-BY-SIDE RELATION EXTENDING THROUGHOUT THE LENGTH OF THE FIBER, THE TWO MATERIALS BEING PRESENT IN THE CROSSSECTION OF THE FIBER IN A QUANTITY RATIO WHICH IS SUBSTANTIALLY CONSTANT FOR THE FULL LENGTH OF THE FIBER AND EACH BEING PRESENT IN AN AMOUNT SUFFICIENT TO EFFECTIVELY ESTABLISH UPON HAVING BEEN COOLED THE LENGTH OF THE RESPECTIVE SIDE OF THE FIBER UPON WHICH EACH MATERIAL IS DISPOSED SAID FIBER BEING SUFFICIENTLY SMALL IN DIAMETER AND THE THERMAL COEFFICIENTS OF EXPANSION OF THE TWO MATERIALS BEING SUFFICIENTLY DIFFERENT TO CAUSE THE LENGTH OF ONE SIDE OF SAID FIBER TO BE SHORTER THAN THE OTHER TO THE EXTENT THAT SAID FIBER CURLS BACK UPON ITSELF TO FORM A SERIES OF CONTIGUOUS LOOPS ALONG ITS LENGTH TO IMPART A GENERALLY HELICAL CONFIGURATION THERETO.
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |