US3203816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass making batch and method
Assignee: OI Glass Inc
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Filing: 1960-09-13
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Granted: 1965-08-31
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Expires: 1980-09-13
Abstract
No abstract record available.
Inventors
- 👤 Bull Fred Larry
- 👤 Edward M Lobdell
- 👤 Jr Joseph R Monks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:50
CPC Classifications
C; C03; C03C; C03C1/00; C03C1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD OF MAKING A COLORED GLASS COMPRISING FORMING A BATCH, ADDING TO THE BATCH WATER AND AN AQUEOUS SOLUTION OF SODIUM DICHROMATE AND SODIUM NITRATE, THE SODIUM NITRATE BEING PRESENT IN AN AMOUNT AT LEAST EQUAL TO THE AMOUNT OF SODIUM DICHROMATE, AND THE WATER BEING PRESENT IN AN AMOUNT EQUAL TO FROM 50 TO 120 POUNDS OF WATER PER TON OF SAND IN THE BATCH, THOROUGHLY ADMIXING THE WATER AND THE AQUEOUS SOLUTION OF SODIUM DICHROMATE AND SODIUM NITRATE WITH THE REMAINDER OF THE BATCH, AND MELTING THE BATCH TO FORM A MOLTEN GLASS HAVING A THEORETICAL COMPOSITION:
Claim 2
Independent Claim
100 words
THE METHOD OF MAKING A COLORED GLASS COMPRISING FORMING A BATCH, ADDING TO THE BATCH WATER AND AN AQUEOUS SOLUTION OF SODIUM DICHROMATE AND SODIUM NITRATE, THE SODIUM NITRATE BEING PRESENT IN AN AMOUNT AT LEAST EQUAL TO THE AMOUNT OF SODIUM DICHROMATE, AND THE WATER BEING PRESENT IN AN AMOUNT EQUAL TO FROM 50 TO 120 POUNDS OF WATER PER TON OF SAND IN THE BATCH, THOROUGHLY ADMIXING THE WATER AND THE AQUEOUS SOLUTION OF SODIUM DICHROMATE AND SODIUM NITRATE WITH THE REMAINDER OF THE BATCH, AND MELTING THE BATCH TO FORM A MOLTEN GLASS HAVING A THEORETICAL COMPOSITION:
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |