US3316074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic elements adapted to come in contact with melted glass
Assignee: Compagnie de Saint Gobain SA
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Filing: 1963-10-25
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Granted: 1967-04-25
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Laurent Bernard
- 👤 Fezenko Igor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:17
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/047; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
METALLIC PIECES FORMED WITH ORIFICES OF SMALL DIAMETER THROUGH WHICH PASS FILAMENTS OF MOLTEN PLASTIC MATERIAL AT HIGH TEMPERATURE HAVING A STRON CORROSIVE INFLUENCE OF THE METAL, AND PIECES BEING FORMED, AT LEAST IN PART, OF AN ALLOY HAVING GOOD MECHANICAL RESISTANCE AND HIGH CORROSION RESISTANCE AND CONSISTING ESSENTAILLY OF THE FOLLOWING INGREDIENTS IN THE RESPECTIVE PROPORTIONS BY WEIGHT: CHROMIUM RANGING FROM ABOVE 25% TO 33%; NICKEL RANGING FROM APPROXIMATELY 45* TO 53%; A COMBINED NIOBIUM AND TANALUM CONTENT RANGING FROM APPROXIMATELY 3.5% TO 6% WITH THE TANTALUM CONTENT IN MINOR AMOUNT RANGING UP TO 0.5%; TUNGSTEN FROM APPROXIMATELY 1% TO 5%; CARBON RANGING FROM APPROXIMATELY 0.3% TO LESS THAN 0.5%; WITH THE REMAINDER IRON.
Claim 2
Dependent Claim
115 words
METALLIC PIECES FORMED WITH ORIFICES OF SMALL DIAMETER THROUGH WHICH PASS FILAMENTS OF MOLTEN PLASTIC MATERIAL AT HIGH TEMPERATURE HAVING A STRON CORROSIVE INFLUENCE OF THE METAL, AND PIECES BEING FORMED, AT LEAST IN PART, OF AN ALLOY HAVING GOOD MECHANICAL RESISTANCE AND HIGH CORROSION RESISTANCE AND CONSISTING ESSENTAILLY OF THE FOLLOWING INGREDIENTS IN THE RESPECTIVE PROPORTIONS BY WEIGHT: CHROMIUM RANGING FROM ABOVE 25% TO 33%; NICKEL RANGING FROM APPROXIMATELY 45* TO 53%; A COMBINED NIOBIUM AND TANALUM CONTENT RANGING FROM APPROXIMATELY 3.5% TO 6% WITH THE TANTALUM CONTENT IN MINOR AMOUNT RANGING UP TO 0.5%; TUNGSTEN FROM APPROXIMATELY 1% TO 5%; CARBON RANGING FROM APPROXIMATELY 0.3% TO LESS THAN 0.5%; WITH THE REMAINDER IRON.
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |