US2952877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making ceramic insulators
Assignee: American Lava Corp
•
Filing: 1954-11-22
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Granted: 1960-09-20
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Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Jr John Lawrence Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:46
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315; C04B35/00; C04B35/01; C04B35/46; C04B35/48; C04B35/50; H; H01; H01B; H01B3/00; H01B3/02; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/1209; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE METHOD OF MAKING CERAMIC ARTICLES COMPRISING MIXING CERAMIC-PARTICULATE HAVING A PARTICLE SIZE ON THE ORDER OF NOT GREATER THAN APPROXIMATELY MINUS 200 MESH WITH WATER, A SUBSTANTIALLY WATER-SOLUBLE POLYMERIC ORGANIC BINDER, AND A SUBSTANTIALLY WATER-SOLUBLE COMPATIBLE ORGANIC PLASTICIZER FOR SAID BINDER, TO FORM A SMOOTH HOMOGENEOUS PLASTIC EXTRUDABLE MIXTURE BY WEIGHT INCLUDING BETWEEN APPROXIMATELY 70 AND 85% CERAMIC-PARTICULATE, EXTRUDING SAID MIXTURE AS A THIN STRIP, DRYING SAID STRIP TO A SUBSTANTIALLY WATER-FREE FLEXIBLE AND MOLDABLE CONDITION, STAMPING SAID WATER-FREE FLEXIBLE STRIP INTO UNITARY ARTICLES, AND FIRING SAID ARTICLES.
Claim 2
Independent Claim
89 words
THE METHOD OF MAKING CERAMIC ARTICLES COMPRISING MIXING CERAMIC-PARTICULATE HAVING A PARTICLE SIZE ON THE ORDER OF NOT GREATER THAN APPROXIMATELY MINUS 200 MESH WITH WATER, A SUBSTANTIALLY WATER-SOLUBLE POLYMERIC ORGANIC BINDER, AND A SUBSTANTIALLY WATER-SOLUBLE COMPATIBLE ORGANIC PLASTICIZER FOR SAID BINDER, TO FORM A SMOOTH HOMOGENEOUS PLASTIC EXTRUDABLE MIXTURE BY WEIGHT INCLUDING BETWEEN APPROXIMATELY 70 AND 85% CERAMIC-PARTICULATE, EXTRUDING SAID MIXTURE AS A THIN STRIP, DRYING SAID STRIP TO A SUBSTANTIALLY WATER-FREE FLEXIBLE AND MOLDABLE CONDITION, STAMPING SAID WATER-FREE FLEXIBLE STRIP INTO UNITARY ARTICLES, AND FIRING SAID ARTICLES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |