Patent US2519280A successfully refreshed from Google Patents.
US2519280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for making ceramic articles
Assignee: AT&T Inc
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Filing: 1947-04-26
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Granted: 1950-08-15
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Expires: 1967-04-26
Abstract
No abstract record available.
Inventors
- 👤 John F Potter
- 👤 Merlc D Rigterink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:35
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE METHOD OF FORMING A SHAPED CERAMIC ARTICLE COMPRISING MIXING FINELY DIVIDED CERAMIC MATERIAL WITH A SUFFICIENT AMOUNT OF A POLYVINYL ALCOHOL GEL TO FORM A PLASTIC MASS, FORMING SAID MIXTURE INTO A SHAPED BODY, DRYING SAID BODY AND FIRING SAID BODY TO FORM SAID SHAPED CERAMIC ARTICLE.
Claim 2
Independent Claim
48 words
THE METHOD OF FORMING A SHAPED CERAMIC ARTICLE COMPRISING MIXING FINELY DIVIDED CERAMIC MATERIAL WITH A SUFFICIENT AMOUNT OF A POLYVINYL ALCOHOL GEL TO FORM A PLASTIC MASS, FORMING SAID MIXTURE INTO A SHAPED BODY, DRYING SAID BODY AND FIRING SAID BODY TO FORM SAID SHAPED CERAMIC ARTICLE.
References Cited (Backward Citations)
US2360479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |