Patent US3019084A successfully refreshed from Google Patents.
US3019084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of refractory carbides, borides and the like
Assignee: British Aluminum Co Ltd
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Filing: 1955-03-03
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Granted: 1962-01-30
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Expires: 1975-03-03
Abstract
No abstract record available.
Inventors
- 👤 Amstein Edmund Hollis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:44
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/02; C01B35/04; C01B32/00; C01B32/90; C01P; C01P2006/00; C01P2006/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR THE CONTINUOUS PRODUCTION OF A REFRACTORY LOW FREE-CARBON-CONTENT MATERIAL CONSISTING ESSENTIALLY OF AT LEAST ONE OF THE COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF THE CARBIDES OF TITANIUM, ZIRCONIUM, NIOBIUM, TANTALUM AND BORON AND THE BORIDES OF TITANIUM, ZIRCONIUM, NIOBIUM AND TANTALUM WHICH COMPRISES PREPARING A REACTION MASS INTO A SELF-SUPPORTING
Claim 2
Dependent Claim
54 words
A PROCESS FOR THE CONTINUOUS PRODUCTION OF A REFRACTORY LOW FREE-CARBON-CONTENT MATERIAL CONSISTING ESSENTIALLY OF AT LEAST ONE OF THE COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF THE CARBIDES OF TITANIUM, ZIRCONIUM, NIOBIUM, TANTALUM AND BORON AND THE BORIDES OF TITANIUM, ZIRCONIUM, NIOBIUM AND TANTALUM WHICH COMPRISES PREPARING A REACTION MASS INTO A SELF-SUPPORTING
References Cited (Backward Citations)
US324658A
Cited
US1829950A
Cited
US1897214A
Cited
US2155628A
Cited
GB579321A
Cited
CH297397A
Cited
DE848036C
Cited
US2778716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |