Patent US2641454A successfully refreshed from Google Patents.
US2641454A
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Apparatus and method for mixing molten glass
Assignee: Glass Fibers Inc
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Filing: 1951-01-27
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Granted: 1953-06-09
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Expires: 1971-01-27
Abstract
No abstract record available.
Inventors
- 👤 Labino Dominick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:14
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/18; C03B5/187
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US734985A
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US1391013A
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US1872664A
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FR688267A
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GB367614A
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US2113963A
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US2144470A
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US2040789A
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US2159361A
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US2379368A
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US2520577A
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US2523030A
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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) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |