Patent US3558975A successfully refreshed from Google Patents.
Patent US3695960A successfully refreshed from Google Patents.
US3695960A
Expired / Lapsed
US
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Fabricating relatively thick ceramic articles
Assignee: RCA Licensing Corp
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Filing: 1970-04-08
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Granted: 1972-10-03
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Expires: 1990-04-08
Abstract
Abstract A RELATIVELY THICK CERAMIC ARTICLE IS FABRICATED BY CASTING A RIBBON OF SLIP UPON A SMOOTH SURFACE; DRYING THE SLIP TO FORM A SHEET OF GREEN CERAMIC; CUTTING THE GREEN CERAMIC SHEET INTO PIECES; POSITIONING TWO OF THE PIECES TOGETHER SO THAT THOSE SURFACES CONTACT EACH OTHER THAT FORMERLY FACED THE SMOOTH SURFACE; PASSING THE PAIR OF PIECES THROUGH THE ROLLS OF A CALENDER TO FORM A LAMINATED; AND FIRING THE LAMINATE TO MATURE THE CERAMIC.
Inventors
- 👤 Fred Eric Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:20
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/634; C04B35/63404; C04B35/6342; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |