US3082102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes of manufacturing glass
Assignee: Pilkington Group Ltd
•
Filing: 1958-09-03
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Granted: 1963-03-19
•
Expires: 1978-09-03
Abstract
No abstract record available.
Inventors
- 👤 Cole Horace
- 👤 James P Procter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:53
CPC Classifications
C; C03; C03B; C03B1/00; C03B1/02; C03C; C03C1/00; C03C1/02; C03C1/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN THE PRODUCTION OF MOLTEN GLASS FROM A SILICATE GLASS BATCH OF THE GROUP CONSISTING OF SODA-LIME-SILICA GLASS BATCHES AND BROSILICATE GALSS BATCHES, SAID GLASS BATCH PROVIDING A PROPORTION OF SILICA WHICH IS RELATIVELY LARGE WITH RESPECT TO ANY OTHER INGREDIENT, THE STEP OF SUBSTANTIALLY COMPLETING THE CHEMICAL REACTIONS BETWEEN THE COMPONENT PARTICLES BY MAINTAINING THE GLASS BATCH AT A TEMPERATURE OF NOT OVER APPROXIMATELY 900* C. AND BELOW THE SINTERING TEMPERATURE OF ANY OF THE REACTION PRODUCTS FOR A PERIOD OF TIME SUFFICIENT TO SUBSTANTIALLY COMPLETE SAID CHEMICAL REACTIONS BETWEEN THE COMPONENT PARTICLES WHILE THE BATCH AS A WHOLE REMAINS IN THE SOLID STATE AT THE COMPLETION OF THE REACTION AND BEFORE SUBJECTING THE EMBRYO GLASS SO FORMED TO A TEMPERATURE HIGH ENOUGH TO MELT THE EMBRYO GLASS.
Claim 2
Dependent Claim
129 words
IN THE PRODUCTION OF MOLTEN GLASS FROM A SILICATE GLASS BATCH OF THE GROUP CONSISTING OF SODA-LIME-SILICA GLASS BATCHES AND BROSILICATE GALSS BATCHES, SAID GLASS BATCH PROVIDING A PROPORTION OF SILICA WHICH IS RELATIVELY LARGE WITH RESPECT TO ANY OTHER INGREDIENT, THE STEP OF SUBSTANTIALLY COMPLETING THE CHEMICAL REACTIONS BETWEEN THE COMPONENT PARTICLES BY MAINTAINING THE GLASS BATCH AT A TEMPERATURE OF NOT OVER APPROXIMATELY 900* C. AND BELOW THE SINTERING TEMPERATURE OF ANY OF THE REACTION PRODUCTS FOR A PERIOD OF TIME SUFFICIENT TO SUBSTANTIALLY COMPLETE SAID CHEMICAL REACTIONS BETWEEN THE COMPONENT PARTICLES WHILE THE BATCH AS A WHOLE REMAINS IN THE SOLID STATE AT THE COMPLETION OF THE REACTION AND BEFORE SUBJECTING THE EMBRYO GLASS SO FORMED TO A TEMPERATURE HIGH ENOUGH TO MELT THE EMBRYO GLASS.
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |