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US3485613A
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Method of producing a vitreous body by crucibleless fluid zone treatment
Assignee: Corning Glass Works
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Filing: 1967-11-06
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Granted: 1969-12-23
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Expires: 1987-11-06
Abstract
No abstract record available.
Inventors
- 👤 Andrew Herczog
- 👤 Dale W Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:25
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/012; C03B37/01205; C03B37/01225; C03B37/0124; C03B19/00; C03B19/04; C03B19/09; C03B23/00; C03B23/04; C03B23/057; C03B37/01228; C03B37/01265; C03B37/01271; C03B37/0128; C03B37/01288; C03B37/01291; C03B37/01297; C03B2201/00; C03B2201/06; C03B2201/30; C03B2201/34; C03B2201/36; C03B2201/40; C03B2201/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2979386A
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US3020132A
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US3263852A
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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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |