US3121065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive ceramic tile
Assignee: Individual
•
Filing: 1960-08-03
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Granted: 1964-02-11
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Expires: 1980-08-03
Abstract
No abstract record available.
Inventors
- 👤 Greger Herbert Hans
- 👤 Greger Dean Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:51
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
50 words
AN ELECTRICALLY SEMI-CONDUCTIVE CERAMIC TILE AIR-FIRED AND MATURED UNTIL DENSE IN THE RANGE CONE 6 TO CONE 12, CONSISTING OF THE FOLLOWING PRESSED RAW MATERIALS; 7090% ZINC OXIDE, AND 10-30% NON-CONDUCTIVE CONSTITUENTS OF THE GROUP CONSISTING OF SODIUM BENTONITE, NEPHELINE SYANITE, TALC , FLINT, WOLLASTONITE, OLIVINE, BAUXITE AND BALL CLAY.
Claim 2
Dependent Claim
50 words
AN ELECTRICALLY SEMI-CONDUCTIVE CERAMIC TILE AIR-FIRED AND MATURED UNTIL DENSE IN THE RANGE CONE 6 TO CONE 12, CONSISTING OF THE FOLLOWING PRESSED RAW MATERIALS; 7090% ZINC OXIDE, AND 10-30% NON-CONDUCTIVE CONSTITUENTS OF THE GROUP CONSISTING OF SODIUM BENTONITE, NEPHELINE SYANITE, TALC , FLINT, WOLLASTONITE, OLIVINE, BAUXITE AND BALL CLAY.
Claim 3
Dependent Claim
51 words
AN ELECTRICALLY SEMI-CONDUCTIOVE CERAMIC TILE AS IN CLAIM 1, SAID PRESSED RAW MATERIALS INCLUDING STRAINING OXIDES FROM A TRACE TO 3% BY WEIGHT FROM THE GROUP OF HEAVY METAL OXIDES CONSISTING OF MANGANESE OXIDE (MNO), CHROMIUM OXIDE (CR2O3), COABLT OXIDE (COO), NICKEL OXIDE (NIO) AND COPPER OXIDE (CUO), FERRIC OXIDE (FE2O3).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |