US3615765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glaze for ceramic parts and articles
Assignee: VARA IVANOVNA BYSTROVA
•
Filing: 1968-10-03
•
Granted: 1971-10-26
•
Expires: 1988-10-03
Abstract
Abstract A glaze is proposed which retains its strength and high dielectric properties during the process of metallization of ceramic parts and articles. The glaze contains by weight about 57-65 percent SiO2, 20-27 percent Al2O3, 5-6.6 percent MgO, 9-12 percent K2O+Na2O, and 0.5-1.5 percent CaO.
Inventors
- 👤 Vera Ivanovna Bystrova
- 👤 Natalia Lavrentievna Polyakova
- 👤 Galina Arkhipovna Mikhailova
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:19
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/02; C03C4/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
16 words
A glaze, according to claim 1, containing CaO in an amount of 0.7 to 1 percent.
References Cited (Backward Citations)
US3380838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |