Patent US3205292A successfully refreshed from Google Patents.
US3205292A
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Heating and melting process of vitreous materials and furnace therefor
Assignee: Societe des Verreries Industrielles Reunies du Loing
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Filing: 1960-06-22
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Granted: 1965-09-07
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Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 Descarsin Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; C; C03; C03B; C03B5/00; C03B5/02; C03B5/021; C03B5/027; C03B5/0272; C03B5/033; C03B5/0334; Y; Y10; Y10S; Y10S65/00; Y10S65/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF MELTING GLASS FROM VITRIFIABLE MATERIALS, WHICH COMPRISES PLACING THE MATERIAL TO BE HEATED IN ANNULAR FORM BETWEEN TWO ARMATURES OF A CONDENSER, SUBMITTING THESE ARMATURES TO A HIGH FREQUENCY, HIGH POTENTIAL DIFFERENCE AND THEREBY HEATING THE MATERIAL THEREBETWEEN BY DIELECTRIC LOSS UNTIL SOME OF THE MATERIAL HAS BECOME MOLTEN AND ELECTRICALLY CONDUCTING, AND FURTHER HEATING THE MATERIAL BY JOULE EFFECT BY PASSING CURRENT RADIALLY THROUGH THE MOLTEN PART OF THE MATERIAL.
Claim 2
Independent Claim
74 words
A METHOD OF MELTING GLASS FROM VITRIFIABLE MATERIALS, WHICH COMPRISES PLACING THE MATERIAL TO BE HEATED IN ANNULAR FORM BETWEEN TWO ARMATURES OF A CONDENSER, SUBMITTING THESE ARMATURES TO A HIGH FREQUENCY, HIGH POTENTIAL DIFFERENCE AND THEREBY HEATING THE MATERIAL THEREBETWEEN BY DIELECTRIC LOSS UNTIL SOME OF THE MATERIAL HAS BECOME MOLTEN AND ELECTRICALLY CONDUCTING, AND FURTHER HEATING THE MATERIAL BY JOULE EFFECT BY PASSING CURRENT RADIALLY THROUGH THE MOLTEN PART OF THE 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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |