Patent US3567417A successfully refreshed from Google Patents.
US3567417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle for drawing cord-free plate glass
Assignee: Flachglas Wernberg GmbH
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Filing: 1968-07-10
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Granted: 1971-03-02
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Expires: 1988-07-10
Abstract
Abstract A NOZZLE FOR DRAWING CORD-FREE PLATE GLASS, COMPRISING A CHAMOTTE NOZZLE BODY HAVING A STRAIGHT SLOT EXTENDING ESSENTIALLY THE ENTIRE WIDTH OF THE NOZZLE BODY AND TAPERED AT BOTH ITS ENDS, THROUGH WHICH SLOT THE MOLTEN GLASS IS EXTRACTED FOR DRAWING, AND LINER INSERTS SECURED IN SAID BODY AND CONFORMED TO THE SHAPE OF THE NOZZLE SLOT AND EXTENDING OVER ITS ENTIRE USEFUL LENGTH. THE INSERTS HAVE A WEDGE-SHAPED CROSS-SECTION AND ARE LODGED IN A CORRE- SPONDINGLY SHAPED PORTION OF A RECESS IN THE BODY TO PREVENTS ANY LIFTING-OFF OF THE LINER INSERTS, THE LINER INSERTS BEING CONSTITUTED OF SINTERED MOLYBDENUM DISILICIDE.
Inventors
- 👤 Ernst Winter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:23
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/167; C03B5/1672; C03B15/00; C03B15/02; C03B15/06
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |