Patent US2662346A successfully refreshed from Google Patents.
US2662346A
Expired / Lapsed
US
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Method and apparatus for forming glass
Assignee: Corning Glass Works
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Filing: 1949-08-01
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Granted: 1953-12-15
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Expires: 1969-08-01
Abstract
No abstract record available.
Inventors
- 👤 James W Giffen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:21
CPC Classifications
C; C03; C03B; C03B19/00; C03B19/04; C03B33/00; C03B33/09; C03B33/095
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1637452A
Cited
US196326A
Cited
US157611A
Cited
FR424525A
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US1208978A
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US1377372A
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US1760999A
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US1523157A
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US1859957A
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AU2334829A
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US2198750A
Cited
GB540229A
Cited
US2350052A
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US2349046A
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US2366118A
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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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |