Patent US2584475A successfully refreshed from Google Patents.
US2584475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of refractory articles
Assignee: Thales SA
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Filing: 1947-07-07
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Granted: 1952-02-05
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Expires: 1967-07-07
Abstract
No abstract record available.
Inventors
- 👤 Lecuir Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:15
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
A MATERIAL FOR EXTRUDING UNDER PRESSURE, COMPRISING REFRACTORY OXIDES MATERIALS IN A POWDER STATE, THE PARTICLES OF WHICH ARE COATED WITH A GEL, THIS LATTER BEING CONSTITUTED BY TERPINEOL AND CERESIN.
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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |