Patent US3460305A successfully refreshed from Google Patents.
US3460305A
Expired / Lapsed
US
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Ceramic structural composite
Assignee: Whittaker Corp
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Filing: 1963-07-29
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Granted: 1969-08-12
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Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 Roger A Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:27
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/42; H01Q1/422; C; C04; C04B; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/6303; C04B35/6306; C04B35/6313; C04B37/00; C04B37/003; C04B37/005; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/06; C04B2237/062; C04B2237/064; C04B2237/068; C04B2237/09; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/343; C04B2237/50; C04B2237/76; C04B2237/78; Y; Y10; Y10T; Y10T428/00; Y10T428/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A MOSAIC STRUCTURE COMPRISING A PLURALITY OF TILES, SAID TILES BEING BONDED TOGETHER BY A BINDER COMPRISING A EUTECTIC CONSISTING ESSENTIALLY OF PYROPHOSPHATE OF A METAL SELECTED FROM THE GROUP CONSISTING OF MANGANESE, TITANIUM, IRON, ZIRCONIUM, AND NICKEL AND A REFRACTORY OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, ZIRCONIA, BERYLLIA, TITANIA, MAGNESIA, CHROMIA, THORIA, AND HAFNIA, AND BINDER HAVING A MELTING TEMPERATURE LOWER THAN THAT OF SAID TILES, SAID TILES HAVING A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF A FUSED REFRACTORY OXIDE, AND A FUSED MIXTURE OF REFRACTORY OXIDE AND A EUTECTIC CONSISTING ESSENTIALLY OF A METAL PYROPHOSPHATE AND A REFRACTORY OXIDE MATERIAL HAVING A HIGHER MELTING POINT THAN SAID METAL PYROPHOSPHATE.
Claim 2
Dependent Claim
10 words
THE STRUCTURE OF CLAIM 2 WHEREIN SAID TILES ARE RHOMBUS-SHAPED.
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) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |