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Patent US2526299A successfully refreshed from Google Patents.
US2526299A
Expired / Lapsed
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Frit suspension and method of making and applying
Assignee: NL Industries Inc
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Filing: 1947-02-13
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Granted: 1950-10-17
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Expires: 1967-02-13
Abstract
No abstract record available.
Inventors
- 👤 Tinsley Stanley George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:26
CPC Classifications
C; C03; C03C; C03C4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METHOD OF PREPARING, FROM A WHITE ENAMEL FRIT, A LIQUID SUSPENSION FOR USE IN VITREOUS ENAMELLING, WHICH CONSISTS IN SUSPENDING THE FRIT PARTICLES IN A COMPOUND INORGANIC GEL FORMED BY THE REACTION OF SOLUTIONS OF SODIUM SILICATE CONTAINING A RATIO OF NA2O TO SIO2 WITHIN THE RANGE OF 1:1 TO 1:4 AND SODIUM ALUMINATE.
Claim 2
Independent Claim
55 words
A METHOD OF PREPARING, FROM A WHITE ENAMEL FRIT, A LIQUID SUSPENSION FOR USE IN VITREOUS ENAMELLING, WHICH CONSISTS IN SUSPENDING THE FRIT PARTICLES IN A COMPOUND INORGANIC GEL FORMED BY THE REACTION OF SOLUTIONS OF SODIUM SILICATE CONTAINING A RATIO OF NA2O TO SIO2 WITHIN THE RANGE OF 1:1 TO 1:4 AND SODIUM ALUMINATE.
References Cited (Backward Citations)
DE66065C
Cited
US2085129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |