US3095336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High strength ceramic compositions and methods for preparing the same
Assignee: RIVERSIDE PLASTICS Corp
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Filing: 1959-03-20
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Granted: 1963-06-25
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 James M Church
- 👤 Walter H Greenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:05
CPC Classifications
C; C03; C03C; C03C14/00; C03C14/002; C03C14/004; C04; C04B; C04B32/00; C04B32/005; C03C2214/00; C03C2214/02; C03C2214/04; C04B2111/00; C04B2111/00474; C04B2111/00612; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3569; Y10T442/3707; Y10T442/378
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A RIGID HIGH STRENGTH MATERIAL CONSISTING ESSENTIALLY OF A PLURALITY OF SUPERPOSED LAYERS OF FUSED GLASS FABRIC FORMED FROM A RELATIVELY HIGH MELTING GLASS WHICH MELTS AT A TEMPERATURE OF ABOUT 2000*F. TO 2600*F., A FUSED RELATIVWELY LOW MELTING GLASS CONSISTING OF A MONOVALENT ALKALI METAL PHOSPHATE WHICH MELTS AT A TEMPERATURE OF ABOUT 600*F. TO 800*F., AND A CERAMIC FILLER IN WHICH THE WEIGHT RATIO OF GLASS TO CERAMIC FILLER IS BETWEEN 100 PARTS BY WEIGHT OF GLASS TO 30 PARTS BY WEIGHT OF CERAMIC FILLER TO 100 PARTS BY WEIGHT OF GLASS TO 140 PARTS BY WEIGHT OF CERAMIC FILLER, WITH SAID FUSED RELATIVELY LOW MELTING GLASS BEING HOMOGENEOUSLY FUSED TO SAID CERAMIC FILLER, AND WITH SAID FUSED RELATIVELY LOW MELTING GLASS AND CERAMIC FILLER EXTENDING THROUGH THE INTERSTICES OF SAID LAYERS OF FUSED GLASS FABRIC SO AS TO BIND SAID LAYERS OF FUSED GLASS FABRIC TOGETHER, AND WITH SAID FUSED HIGH MELTING GLASS FIBERS OF THE GLASS FABRIC FUSED TO SAID HOMOGENEOUS FUSION OF THE FUSED RELATIVELY LOW MELTING GLASS AND CERAMIC FILLER.
Claim 2
Dependent Claim
176 words
A RIGID HIGH STRENGTH MATERIAL CONSISTING ESSENTIALLY OF A PLURALITY OF SUPERPOSED LAYERS OF FUSED GLASS FABRIC FORMED FROM A RELATIVELY HIGH MELTING GLASS WHICH MELTS AT A TEMPERATURE OF ABOUT 2000*F. TO 2600*F., A FUSED RELATIVWELY LOW MELTING GLASS CONSISTING OF A MONOVALENT ALKALI METAL PHOSPHATE WHICH MELTS AT A TEMPERATURE OF ABOUT 600*F. TO 800*F., AND A CERAMIC FILLER IN WHICH THE WEIGHT RATIO OF GLASS TO CERAMIC FILLER IS BETWEEN 100 PARTS BY WEIGHT OF GLASS TO 30 PARTS BY WEIGHT OF CERAMIC FILLER TO 100 PARTS BY WEIGHT OF GLASS TO 140 PARTS BY WEIGHT OF CERAMIC FILLER, WITH SAID FUSED RELATIVELY LOW MELTING GLASS BEING HOMOGENEOUSLY FUSED TO SAID CERAMIC FILLER, AND WITH SAID FUSED RELATIVELY LOW MELTING GLASS AND CERAMIC FILLER EXTENDING THROUGH THE INTERSTICES OF SAID LAYERS OF FUSED GLASS FABRIC SO AS TO BIND SAID LAYERS OF FUSED GLASS FABRIC TOGETHER, AND WITH SAID FUSED HIGH MELTING GLASS FIBERS OF THE GLASS FABRIC FUSED TO SAID HOMOGENEOUS FUSION OF THE FUSED RELATIVELY LOW MELTING GLASS AND CERAMIC FILLER.
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |