Patent US2569459A successfully refreshed from Google Patents.
US2569459A
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Method and apparatus for stirring glass
Assignee: Corning Glass Works
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Filing: 1945-08-09
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Granted: 1951-10-02
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Expires: 1965-08-09
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 17:20
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/112; B01F27/1123; B01F27/115; B01F27/1152; B01F27/50; C; C03; C03B; C03B5/00; C03B5/16; C03B5/18; C03B5/187; C03B5/1875; C03B7/00; C03B7/08; C03B7/092; C03B7/094; C03B7/096; C03B7/098; F; F04; F04D; F04D11/00; F04D11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US655009A
Cited
US914973A
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US1084210A
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US1430040A
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US1416307A
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US1608710A
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US1603221A
Cited
US1927101A
Cited
US1816982A
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FR711976A
Cited
US2137547A
Cited
US2431478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |