US2848324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing agglomerates highly resistant against heat and/or chemical attack
Assignee: Individual
•
Filing: 1954-04-30
•
Granted: 1958-08-19
•
Expires: 1974-04-30
Abstract
No abstract record available.
Inventors
- 👤 Krapf Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:59
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/05; C22C1/051; C04; C04B; C04B35/00; C04B35/622; C04B35/64; C04B35/65; C04B35/651; C04B35/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN PROCESS FOR THE PRODUCTION OF A MOLDED ARTICLE COMPRISING A HOMOGENEOUS AGGLOMERATE OF METAL AND METAL OXIDE FREE OF SLAG AND REGULUS, THE STEPS OF: INTRODUCING AN UNCOMPACTED FINELY DIVIDED REACTION MIXTURE INTO A MOLD, THE MIXTURE CONTAINING AT LEAST ONE PULVERIZED METAL AND AT LEAST ONE PULVERIZED METAL OXIDE CAPABLE OF UNDERGOING WITH EACH OTHER A NONEXPLOSIVE SELF-PROPAGATING EXOTHERMIC REACTION, THE REACTION BEING OF SUCH SPEED AND INTENSITY THAT NO SUBSTANTIAL SEGREGATION OF THE METAL-CONTAINING REACTION PRODUCTS OCCURS, IGNITING THE UNCOMPACTED MIXTURE TO INITIATE THE EXOTHERMIC REACTION, PERMITTING THE REACTION TO PROCEED TO COMPLETION, AND SUBJECTING THE REACTED MIXTURE TO A PRESSURE IN THE ORDER OF SEVERAL HUNDRED KILOGRAMS PER SQUARE CENTIMETER WHILE THE MIXTURE IS HOT TO COMPACT THE MIXTURE AND FORM IT INTO THE MOLD.
Claim 2
Dependent Claim
129 words
IN PROCESS FOR THE PRODUCTION OF A MOLDED ARTICLE COMPRISING A HOMOGENEOUS AGGLOMERATE OF METAL AND METAL OXIDE FREE OF SLAG AND REGULUS, THE STEPS OF: INTRODUCING AN UNCOMPACTED FINELY DIVIDED REACTION MIXTURE INTO A MOLD, THE MIXTURE CONTAINING AT LEAST ONE PULVERIZED METAL AND AT LEAST ONE PULVERIZED METAL OXIDE CAPABLE OF UNDERGOING WITH EACH OTHER A NONEXPLOSIVE SELF-PROPAGATING EXOTHERMIC REACTION, THE REACTION BEING OF SUCH SPEED AND INTENSITY THAT NO SUBSTANTIAL SEGREGATION OF THE METAL-CONTAINING REACTION PRODUCTS OCCURS, IGNITING THE UNCOMPACTED MIXTURE TO INITIATE THE EXOTHERMIC REACTION, PERMITTING THE REACTION TO PROCEED TO COMPLETION, AND SUBJECTING THE REACTED MIXTURE TO A PRESSURE IN THE ORDER OF SEVERAL HUNDRED KILOGRAMS PER SQUARE CENTIMETER WHILE THE MIXTURE IS HOT TO COMPACT THE MIXTURE AND FORM IT INTO THE MOLD.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |