Patent US3293017A successfully refreshed from Google Patents.
US3293017A
Expired / Lapsed
US
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Method for forming glass wafers
Assignee: Corning Glass Works
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Filing: 1963-03-20
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Granted: 1966-12-20
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Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Weston H Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:42
CPC Classifications
C; C03; C03B; C03B11/00; C03B11/06; C03B11/08; C03B19/00; C03B5/00; C03B5/02; C03B5/033; C03B5/0336; C03B7/00; C03B7/08; C03B7/088; C03B7/14; C03C; C03C19/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
THE METHOD OF CHARGING A GLASS-FORMING MOLD WITH A CHARGE OF MOLTEN GLASS HAVING AN EXTREMELY LOW VISCOSITY WHICH INCLUDES ISSUING THE MOLTEN GLASS FROM AN ORIFICE HAVING A DIAMETER SELECTED IN ACCORDANCE WITH THE VISCOSITY OF THE MOLTEN GLASS SO THAT THE GLASS ISSUES FROM THE ORIFICE IN FREELY FORMING AND FALLING DROPS, AND CATCHING IN SAID MOLD A PREDETERMINED NUMBER ONLY OF SAID DROPS.
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |