US3606825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process fo melting glass
Assignee: Glass Container Ind Res Corp
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Filing: 1969-12-24
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Granted: 1971-09-21
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Expires: 1989-12-24
Abstract
Abstract MELTING OF GLASS BATCH WHEREIN THE PRODUCTS OF COMBUSTION OF A GASEOUS FUEL ARE INTRODUCED INTO THE MOLTEN GLASS BATH AT A SUBMERGED LEVEL THEREIN, WITH THE GASEOUS FUEL BEING COMBUSTED IN AN OXIDIZING MEDIUM LOW IN NITROGEN.
Inventors
- 👤 Andrew L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:31
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/235; C03B5/2356; C03B5/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |