US3248205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass melting furnace with submerged gas burners
Assignee: Selas Corp of America
•
Filing: 1962-12-21
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Granted: 1966-04-26
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Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
- 👤 Hans R Dolf
- 👤 William E Marceau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:44
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/235; C03B5/2356
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
APPARATUS FOR MAKING GLASS COMPRISING A PLURALITY OF MELTING TANKS EACH HAVING A LIQUID GLASS DISCHARGE SPOUT EXTENDING THEREFROM, MEANS TO SUPPLY GLASS MAKING MATERIAL TO EACH OF SAID TANKS, BURNER MEANS EXTENDING THROUGH THE FLOOR OF EACH OF SAID TANKS FOR SUPPLYING HEAT THERETO TO MELT GLASS THEREIN, A GLASS REFINING TANK HAVING SIDES AND HAVING A CAPACITY SUBSTANTIALLY EQUAL TO THE COMBINED CAPACITY OF SAID MELTING TANKS, SAID REFINING TANK BEING PROVIDED WITH A PLURALITY OF OPENINGS IN AT LEAST ONE OF SAID SIDES, MEANS TO MOUNT SAID MELTING TANKS RELATIVE TO SAID REFINING TANK SO THAT A DISCHARGE SPOUT OF THE LATTER EXTENDS THROUGH EACH OPENING BEYOND THE SIDE TO DISCHARGE GLASS DIRECTLY INTO SAID REFINING TANK, AND MEANS TO HEAT THE GLASS IN SAID REFINING TANK.
References Cited (Backward Citations)
US1596058A
Cited
US2634555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |