US2847314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making ceramic articles
Assignee: AT&T Inc
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Filing: 1955-06-02
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Granted: 1958-08-12
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Expires: 1975-06-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:09
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
THE METHOD OF MAKING A SHAPED BODY OF CERAMIC MATERIALS, WHICH METHOD COMPRISES MIXING THE FINELYDIVIDED INGREDIENTS OF SAID CERAMIC MATERIAL, WATER, AND 3 PERCENT BY WEIGHT TO 6 PERCENT BY WEIGHT OF POLYMETHACRYLIC ACID, CACULATED ON THE BASIS OF THE DRY INGREDIENTS, REMOVING EXCESS WATER TO GIVE A PLASTIC MASS FORMING SAID MASS INTO A SHAPED BODY, DRYING SAID BODY AND FIRING SAID BODY.
Claim 2
Independent Claim
65 words
THE METHOD OF MAKING A SHAPED BODY OF CERAMIC MATERIALS, WHICH METHOD COMPRISES MIXING THE FINELYDIVIDED INGREDIENTS OF SAID CERAMIC MATERIAL, WATER, AND 3 PERCENT BY WEIGHT TO 6 PERCENT BY WEIGHT OF POLYMETHACRYLIC ACID, CACULATED ON THE BASIS OF THE DRY INGREDIENTS, REMOVING EXCESS WATER TO GIVE A PLASTIC MASS FORMING SAID MASS INTO A SHAPED BODY, DRYING SAID BODY AND FIRING SAID BODY.
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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |