US3353941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of melting glass
Assignee: Newfrey LLC
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Filing: 1964-05-29
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Granted: 1967-11-21
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Expires: 1984-05-29
Abstract
No abstract record available.
Inventors
- 👤 George F Hanks
- 👤 Jr Alexander L Bracken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:00
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/235
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE METHOD OF MAKING GLASS IN AN ELONGATED FURNACE HAVING A REAR END ADAPTED TO RECEIVE BATCHES OF GLASSMAKING INGREDIENTS AND A FRONT END ADAPTED TO DISCHARGE QUANTITIES OF MOLTEN GLASS, COMPRISING THE STEPS OF ESTABLISHING A BODY OF MOLTEN GLASS IN THE FURNACE, SUPPLYING HEAT TO THE FURNACE AT BURNERS DISPOSED ABOVE THE BODY OF GLASS AT POINTS SPACED ALONG THE LENGTH OF SAID FURNACE BY INTRODUCING A PRE-MIXED COMBUSTING MIXTURE OF FUEL AND AIR, INTRODUCING AIR UNDER PRESSURE TO THE FURNACE BE-
Claim 2
Independent Claim
84 words
THE METHOD OF MAKING GLASS IN AN ELONGATED FURNACE HAVING A REAR END ADAPTED TO RECEIVE BATCHES OF GLASSMAKING INGREDIENTS AND A FRONT END ADAPTED TO DISCHARGE QUANTITIES OF MOLTEN GLASS, COMPRISING THE STEPS OF ESTABLISHING A BODY OF MOLTEN GLASS IN THE FURNACE, SUPPLYING HEAT TO THE FURNACE AT BURNERS DISPOSED ABOVE THE BODY OF GLASS AT POINTS SPACED ALONG THE LENGTH OF SAID FURNACE BY INTRODUCING A PRE-MIXED COMBUSTING MIXTURE OF FUEL AND AIR, INTRODUCING AIR UNDER PRESSURE TO THE FURNACE BE-
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |