US3334983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for inhibiting upward rising bubbles in a molten metal bath
Assignee: Libbey Owens Ford Glass Co
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Filing: 1964-12-08
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Granted: 1967-08-08
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Expires: 1984-12-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Badger
- 👤 John W Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:18
CPC Classifications
C; C03; C03B; C03B18/00; C03B18/02; C03B18/16; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN APPARATUS FOR PRODUCING FLOAT GLASS, A CONTAINER FOR A BATH OF MOLTEN METAL COMPRISING A PLURALITY OF REFRACTORY BLOCKS ARRANGED IN CONTACTING RELATION TO FORM THE BOTTOM AND SIDE WALLS OF A TANK, A SOLID CASING COVERING THE BOTTOM WALL OF SAID TANK AND EXTENDING UPWARDLY OVER THE SIDE WALLS THEREOF AND HAVING AN OPENING THEREIN FOR RELEASING PRESSURE THEREFROM.
Claim 2
Dependent Claim
61 words
IN APPARATUS FOR PRODUCING FLOAT GLASS, A CONTAINER FOR A BATH OF MOLTEN METAL COMPRISING A PLURALITY OF REFRACTORY BLOCKS ARRANGED IN CONTACTING RELATION TO FORM THE BOTTOM AND SIDE WALLS OF A TANK, A SOLID CASING COVERING THE BOTTOM WALL OF SAID TANK AND EXTENDING UPWARDLY OVER THE SIDE WALLS THEREOF AND HAVING AN OPENING THEREIN FOR RELEASING PRESSURE THEREFROM.
References Cited (Backward Citations)
FR1365777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |