US2737807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring the level of the molten glass in tank furnaces
Assignee: Union des Verreries Mecaniques Belges SA
•
Filing: 1951-07-30
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Granted: 1956-03-13
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Expires: 1971-07-30
Abstract
No abstract record available.
Inventors
- 👤 Brichard Edgard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:26
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/16; G01F23/162; G01F23/18; G01F23/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN AN APPARATUS FOR MEASURING AND REGULATING THE LEVEL OF MOLTEN GLASS IN TANK FURNACES IN WHICH A GAS JET IS DIRECTED ON TO THE SURFACE OF THE MOLTEN GLASS; IN COMBINATION, A PIPE PROVIDED WITH A NOZZLE MOUNTED ABOVE SAID MOLTEN GLASS, MEANS FOR SUPPLYING GAS AT A CONSTANT RATE TO SAID PIPE, PRESSURE MEASURING MEANS IN ASSOCIATION WITH SAID PIPE, AND MEANS DISPOSED ADJACENT THE NOZZLE END FOR REDUCING THE DEFORMATION OF THE MOLTEN GLASS SURFACE AT THE POINT TOWARD WHICH SAID NOZZLE IS DIRECTED.
Claim 2
Dependent Claim
87 words
IN AN APPARATUS FOR MEASURING AND REGULATING THE LEVEL OF MOLTEN GLASS IN TANK FURNACES IN WHICH A GAS JET IS DIRECTED ON TO THE SURFACE OF THE MOLTEN GLASS; IN COMBINATION, A PIPE PROVIDED WITH A NOZZLE MOUNTED ABOVE SAID MOLTEN GLASS, MEANS FOR SUPPLYING GAS AT A CONSTANT RATE TO SAID PIPE, PRESSURE MEASURING MEANS IN ASSOCIATION WITH SAID PIPE, AND MEANS DISPOSED ADJACENT THE NOZZLE END FOR REDUCING THE DEFORMATION OF THE MOLTEN GLASS SURFACE AT THE POINT TOWARD WHICH SAID NOZZLE IS DIRECTED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |