US2976161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass batches and method of preparation
Assignee: Corning Glass Works
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Filing: 1956-11-02
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Granted: 1961-03-21
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Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 Rowland D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:32
CPC Classifications
C; C03; C03C; C03C1/00; C03C1/02; C03C1/024; H; H01; H01M; H01M6/00; H01M6/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN THE PREPARATION OF A GLASS BATCH CONTAINING GLASS CULLET PARTICLES WHEREIN THE CULLET IS DEFICIENT IN A NECESSARY GLASS-MAKING MATERIAL AND AN AMOUNT OF THE GLASSMAKING MATERIAL IS ADDED TO THE BATCH TO COMPENSATE FOR THE CULLET DEFICIENCY, THE IMPROVEMENT WHICH COMPRISES APPLYING TO THE SURFACES OF THE GLASS CULLET PARTICLES, PRIOR TO INTRODUCING THEM INTO THE BATCH, A COATING CONTAINING THE DEFICIENT MATERIAL.
Claim 2
Dependent Claim
65 words
IN THE PREPARATION OF A GLASS BATCH CONTAINING GLASS CULLET PARTICLES WHEREIN THE CULLET IS DEFICIENT IN A NECESSARY GLASS-MAKING MATERIAL AND AN AMOUNT OF THE GLASSMAKING MATERIAL IS ADDED TO THE BATCH TO COMPENSATE FOR THE CULLET DEFICIENCY, THE IMPROVEMENT WHICH COMPRISES APPLYING TO THE SURFACES OF THE GLASS CULLET PARTICLES, PRIOR TO INTRODUCING THEM INTO THE BATCH, A COATING CONTAINING THE DEFICIENT MATERIAL.
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) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |