Patent US3294555A successfully refreshed from Google Patents.
US3294555A
Expired / Lapsed
US
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Method of mixing glass batch
Assignee: —
•
Filing: 1963-02-08
•
Granted: 1966-12-27
•
Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:26
CPC Classifications
C; C03; C03C; C03C1/00; C03C1/02; C03C1/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A METHOD OF MIXING GLASS BATCH INGREDIENTS INCLUDING ALKALI METAL CARBONATE FOR USE AS A FEED IN A GLASS FORMING FURNACE, THE IMPROVEMENT COMPRISING MIXING THE GLASS BATCH INGREDIENTS WITH BETWEEN 5 PERCENT AND 20 PERCENT BY WEIGHT OF WATER BASIS THE WEIGHT OF THE BATCH INGREDIENTS AND COOLING THE GLASS BATCH INGREDIENTS DURING SAID MIXING TO A TEMPERATURE BETWEEN 10*F. AND 70*F. TO THEREBY FORM HIGHER HYDRATES OF SAID ALKALI METAL CARBONATE.
Claim 2
Dependent Claim
74 words
IN A METHOD OF MIXING GLASS BATCH INGREDIENTS INCLUDING ALKALI METAL CARBONATE FOR USE AS A FEED IN A GLASS FORMING FURNACE, THE IMPROVEMENT COMPRISING MIXING THE GLASS BATCH INGREDIENTS WITH BETWEEN 5 PERCENT AND 20 PERCENT BY WEIGHT OF WATER BASIS THE WEIGHT OF THE BATCH INGREDIENTS AND COOLING THE GLASS BATCH INGREDIENTS DURING SAID MIXING TO A TEMPERATURE BETWEEN 10*F. AND 70*F. TO THEREBY FORM HIGHER HYDRATES OF SAID ALKALI METAL CARBONATE.
References Cited (Backward Citations)
US2813036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |