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US2920423A
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US
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Apparatus for bending glass sheets
Assignee: Libbey Owens Ford Glass Co
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Filing: 1955-10-07
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Granted: 1960-01-12
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Expires: 1975-10-07
Abstract
No abstract record available.
Inventors
- 👤 Frank J Carson
- 👤 Leslie H Laine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:52
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/025; C03B23/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2348278A
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US2608030A
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US2518951A
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US2695476A
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US2608799A
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US2744359A
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GB710393A
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US2691854A
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GB727200A
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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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |