US3294507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transverse heat absorption from a drawn glass sheet subsequent to roll forming
Assignee: PPG Industries Inc
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Filing: 1963-03-13
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Granted: 1966-12-27
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Expires: 1983-03-13
Abstract
No abstract record available.
Inventors
- 👤 Borst Dean
- 👤 Francis X Mittereder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:44
CPC Classifications
C; C03; C03B; C03B13/00; C03B13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A METHOD FOR FORMING A RIBBON OF GLASS FROM A MOLTEN BATH BY PERSHAPING VISCOUS GLASS TO A CONTROL THICKNESS BY PASSING THE GLASS BETWEEN A PAIR OF FORMING ROLLS SET AT A SPACING EQUAL TO SAID CONTROL THICKNESS TO FORM A RIBBON OF WORKABLE GLASS HAVING AT LEAST ONE REGION WHEREIN THE THICKNESS OF THE GLASS IN THE REGION IS LESS THAN THE CONTROL THICKNESS THE IMPROVEMENT WHICH COMPRISES: DETERMING THE TRANSVERSE LOCATION OF EACH REGION WHEREIN THE THICKNESS OF SAID RIBBON IS LESS THAN THE CONTROL THICKNES OF SAID RIBBON,
Claim 2
Dependent Claim
93 words
IN A METHOD FOR FORMING A RIBBON OF GLASS FROM A MOLTEN BATH BY PERSHAPING VISCOUS GLASS TO A CONTROL THICKNESS BY PASSING THE GLASS BETWEEN A PAIR OF FORMING ROLLS SET AT A SPACING EQUAL TO SAID CONTROL THICKNESS TO FORM A RIBBON OF WORKABLE GLASS HAVING AT LEAST ONE REGION WHEREIN THE THICKNESS OF THE GLASS IN THE REGION IS LESS THAN THE CONTROL THICKNESS THE IMPROVEMENT WHICH COMPRISES: DETERMING THE TRANSVERSE LOCATION OF EACH REGION WHEREIN THE THICKNESS OF SAID RIBBON IS LESS THAN THE CONTROL THICKNES OF SAID RIBBON,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |