Patent US3330635A successfully refreshed from Google Patents.
US3330635A
Expired / Lapsed
US
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Method and apparatus for decontaminating a glass sheet making molten metal bath
Assignee: Pilkington Group Ltd
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Filing: 1964-08-17
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Granted: 1967-07-11
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Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Loukes David Gordon
- 👤 Edwards Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:09
CPC Classifications
C; C03; C03B; C03B18/00; C03B18/02; C03B18/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN THE MANUFACTURE OF FLAT GLASS DURING WHICH THE GLASS IS IN CONTACT WITH MOLTEN METAL, CONFINING IN CONTACT WITH THE MOLTEN METAL FOR THE DECONTAMINATION OF THE MOLTEN METAL A HALIDE OF AN ELEMENT WITH WHICH A MEMBER OF THE GROUP CONSISTING OF OXYGEN AND SULPHUR PREFERNETIALLY REACTS, APPLYING DIRECT ELECTRIC CURRENT TO THE HALIDE SUFFICIENT TO CAUSE ELECTROLYSIS OF THE HALIDE AND REGULATING SAID ELECTRIC CURRENT TO CONTROL THE ENTRY INTO AND THE MAINTENANCE OF AT LEAST A TRADE IN THE MOLTEN METAL OF SUCH ELEMENT RELEASED BY THE ELECTROLYSIS.
Claim 2
Dependent Claim
92 words
IN THE MANUFACTURE OF FLAT GLASS DURING WHICH THE GLASS IS IN CONTACT WITH MOLTEN METAL, CONFINING IN CONTACT WITH THE MOLTEN METAL FOR THE DECONTAMINATION OF THE MOLTEN METAL A HALIDE OF AN ELEMENT WITH WHICH A MEMBER OF THE GROUP CONSISTING OF OXYGEN AND SULPHUR PREFERNETIALLY REACTS, APPLYING DIRECT ELECTRIC CURRENT TO THE HALIDE SUFFICIENT TO CAUSE ELECTROLYSIS OF THE HALIDE AND REGULATING SAID ELECTRIC CURRENT TO CONTROL THE ENTRY INTO AND THE MAINTENANCE OF AT LEAST A TRADE IN THE MOLTEN METAL OF SUCH ELEMENT RELEASED BY THE ELECTROLYSIS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |