Patent DE99408C successfully refreshed from Google Patents.
Patent US3347654A successfully refreshed from Google Patents.
US3347654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass tank furnace wall structure
Assignee: G B D Holding SA
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Filing: 1966-11-10
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Granted: 1967-10-17
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Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 Wins Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:26
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A TANK FURNACE A VESSEL FOR MOLTEN GLASS, SAID VESSEL COMPRISING A FLOOR OF REFRACTORY MATERIAL, MEANS FORMING FLAT, CONTINUOUS SUPPORTING SURFACES RISING INCLINEDLY OUTWARDLY FROM SAID FLOOR ON OPPOSITE SIDES THEREOF, AND WALLS COMPOSED OF REFRACTORY TILES WITH BEVELED LOWER FACES ALIGNEDLY RESTING ON SAID SUPPORTING SURFACES AND TOGETHER DEFINING A FLAT, CONTINUOUS OUTER SURFACE FOR EACH OF SAID WALLS, SAID TILES ADJOINING ONE ANOTHER ALONG VERTICAL CONTACT SURFACES FROM THE LEVEL OF SAID FLOOR TO THE TOP OF EACH WALL.
Claim 2
Dependent Claim
83 words
IN A TANK FURNACE A VESSEL FOR MOLTEN GLASS, SAID VESSEL COMPRISING A FLOOR OF REFRACTORY MATERIAL, MEANS FORMING FLAT, CONTINUOUS SUPPORTING SURFACES RISING INCLINEDLY OUTWARDLY FROM SAID FLOOR ON OPPOSITE SIDES THEREOF, AND WALLS COMPOSED OF REFRACTORY TILES WITH BEVELED LOWER FACES ALIGNEDLY RESTING ON SAID SUPPORTING SURFACES AND TOGETHER DEFINING A FLAT, CONTINUOUS OUTER SURFACE FOR EACH OF SAID WALLS, SAID TILES ADJOINING ONE ANOTHER ALONG VERTICAL CONTACT SURFACES FROM THE LEVEL OF SAID FLOOR TO THE TOP OF EACH WALL.
References Cited (Backward Citations)
US2078795A
Cited
GB548575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |