US3269818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devitrifying a glass about glass fibers on a conductor
Assignee: Owens Corning
•
Filing: 1964-10-29
•
Granted: 1966-08-30
•
Expires: 1984-10-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Tiede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:47
CPC Classifications
C; C03; C03C; C03C13/00; C03C10/00; C03C10/0054; C03C14/00; C03C14/002; C03C2214/00; C03C2214/02; C03C2214/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A METHOD OF APPLYING A HIGH TEMPERATURE GLASS INSULATION TO AN ELECTRICAL CONDUCTOR WHICH COMPRISES COATING THE CONDUCTOR WITH TWO LAYERS OF GLASS ONE OF SAID LAYERS BEING OF FIBROUS GLASS IN STRAND FORM WRAPPED AROUND THE CONDUCTOR, THE OTHER LAYER BEING OF GLASS PARTICLES, THE COMPOSITION OF THE FIBROUS GLASS IN STRAND FORM BEING FUSIBLE AT A HIGHER TEMPERATURE THAN THE COMPOSITION OF THE GLASS PARTICLES, THE COMPOSITION OF THE GLASS PARTICLES BEIN DEVITRIFIABLE BY A CONTINUED APPLICATION OF HEAT AFTER THE GLASS COMPOSITION IS FUSED, SUBMITTING THE COATED CONDUCTOR TO HEAT AT A TEMPERATURE HIGH ENOUGH TO FUSE THE GLASS PARTICLES INTO A CONTINOUS COATING AND CONTINUING THE APPLICATION OF HEAT TO DEVIRIFY THE GLASS PARTICLES AT A TEMPERATURE BELOW THAT AT WHICH THE FIBROUS GLASS IN STRAND FORM IS FUSED.
Claim 2
Independent Claim
133 words
A METHOD OF APPLYING A HIGH TEMPERATURE GLASS INSULATION TO AN ELECTRICAL CONDUCTOR WHICH COMPRISES COATING THE CONDUCTOR WITH TWO LAYERS OF GLASS ONE OF SAID LAYERS BEING OF FIBROUS GLASS IN STRAND FORM WRAPPED AROUND THE CONDUCTOR, THE OTHER LAYER BEING OF GLASS PARTICLES, THE COMPOSITION OF THE FIBROUS GLASS IN STRAND FORM BEING FUSIBLE AT A HIGHER TEMPERATURE THAN THE COMPOSITION OF THE GLASS PARTICLES, THE COMPOSITION OF THE GLASS PARTICLES BEIN DEVITRIFIABLE BY A CONTINUED APPLICATION OF HEAT AFTER THE GLASS COMPOSITION IS FUSED, SUBMITTING THE COATED CONDUCTOR TO HEAT AT A TEMPERATURE HIGH ENOUGH TO FUSE THE GLASS PARTICLES INTO A CONTINOUS COATING AND CONTINUING THE APPLICATION OF HEAT TO DEVIRIFY THE GLASS PARTICLES AT A TEMPERATURE BELOW THAT AT WHICH THE FIBROUS GLASS IN STRAND FORM IS FUSED.
References Cited (Backward Citations)
GB256188A
Cited
US2526870A
Cited
US2639247A
Cited
US2889952A
Cited
US3012092A
Cited
US3030257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |