US3250832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making refractory articles
Assignee: Arcelor Luxembourg SA
•
Filing: 1961-07-13
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Granted: 1966-05-10
•
Expires: 1981-07-13
Abstract
No abstract record available.
Inventors
- 👤 Metz Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:27
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B2/00; C04B2/10; C04B2/102; C04B35/00; C04B35/01; C04B35/013; C04B35/03; C04B41/45; C04B41/50; C04B41/5001; C04B41/80; C04B41/81; C04B41/85
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR MAKING A COHERENT BODY FROM A MASS OF REFRACTORY CERAMIC PARTICLES CONSISTING AT LEAST IN MAJOR PART OF MAGNESIUM COMPOUNDS, COMPRISING THE STEPS OF ADMIXING A THERMALLY UNSTABLE BITUMINOUS HYDROCARBON WITH SAID MASS WHILE THE PARTICLES THEREOF ARE IN AN AT MOST LIGHTLY COHESIVE STATE, INITIALLY HEATING THE MIXTURE THUS OBTAINED TO A DEGREE SUFFICIENT TO COKIFY SAID BINDER
Claim 2
Dependent Claim
62 words
A PROCESS FOR MAKING A COHERENT BODY FROM A MASS OF REFRACTORY CERAMIC PARTICLES CONSISTING AT LEAST IN MAJOR PART OF MAGNESIUM COMPOUNDS, COMPRISING THE STEPS OF ADMIXING A THERMALLY UNSTABLE BITUMINOUS HYDROCARBON WITH SAID MASS WHILE THE PARTICLES THEREOF ARE IN AN AT MOST LIGHTLY COHESIVE STATE, INITIALLY HEATING THE MIXTURE THUS OBTAINED TO A DEGREE SUFFICIENT TO COKIFY SAID BINDER
References Cited (Backward Citations)
US166433A
Cited
US3015850A
Cited
US656077A
Cited
US1479107A
Cited
US1390823A
Cited
US1430724A
Cited
GB330745A
Cited
US2335325A
Cited
US2799912A
Cited
US2952605A
Cited
GB874253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |