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Patent US2600490A successfully refreshed from Google Patents.
US2600490A
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Glass melting method
Assignee: Corning Glass Works
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Filing: 1947-04-21
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Granted: 1952-06-17
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Expires: 1967-04-21
Abstract
No abstract record available.
Inventors
- 👤 Voe Charles F De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:36
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/02; C03B5/027; C03B5/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1880541A
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GB597843A
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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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |