US2741008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing glazed ceramic objects
Assignee: Malinite Corp
•
Filing: 1952-06-13
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Granted: 1956-04-10
•
Expires: 1972-06-13
Abstract
No abstract record available.
Inventors
- 👤 John H Snoddy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:45
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/02; C04; C04B; C04B35/00; C04B35/01; C04B35/16; C04B35/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD OF PRODUCING GLAZE DINNERWARE, ARTWARE AND OTHER CERAMIC OBJECTS BY THE ONE-FIRE PROCESS WITHOUT A HIGH INCIDENCE OF IMPERFECTIONS, BUBBLES, BLISTERS AND PIN HOLES IN THE GLAZE, WHICH COMPRISES: MAKING THE BODY OF THE OBJECT FROM A CERAMIC COMPOSITION OF THE FOLLOWING MOLECULAR RATIO, TO WIT: 1.0 NA2O AND K2O; 2.0-8.0 MGO; 1.0-3.5 AL2O3 AND 8.0-22.0 SIO2; AND APPLYING TO OBJECTS MADE FROM SUCH COMPOSITION A GLAZE HAVING A MOLECULAR EQUIVALENT FORMULA OF 1.0 RO, 0.18-0.35 AL2O3, 1.8-3.5 SIO2 AND 0.2-0.7 B2O3, SAID GLAZE BEING VIRTUALLY FREE FROM P2O5.
Claim 2
Independent Claim
91 words
A METHOD OF PRODUCING GLAZE DINNERWARE, ARTWARE AND OTHER CERAMIC OBJECTS BY THE ONE-FIRE PROCESS WITHOUT A HIGH INCIDENCE OF IMPERFECTIONS, BUBBLES, BLISTERS AND PIN HOLES IN THE GLAZE, WHICH COMPRISES: MAKING THE BODY OF THE OBJECT FROM A CERAMIC COMPOSITION OF THE FOLLOWING MOLECULAR RATIO, TO WIT: 1.0 NA2O AND K2O; 2.0-8.0 MGO; 1.0-3.5 AL2O3 AND 8.0-22.0 SIO2; AND APPLYING TO OBJECTS MADE FROM SUCH COMPOSITION A GLAZE HAVING A MOLECULAR EQUIVALENT FORMULA OF 1.0 RO, 0.18-0.35 AL2O3, 1.8-3.5 SIO2 AND 0.2-0.7 B2O3, SAID GLAZE BEING VIRTUALLY FREE FROM P2O5.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |