US2689794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fused mineral composition and method of making same
Assignee: Victor Chemical Works
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Filing: 1951-06-09
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Granted: 1954-09-21
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Expires: 1971-06-09
Abstract
No abstract record available.
Inventors
- 👤 Leyman E Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:36
CPC Classifications
A; A23; A23K; A23K20/00; A23K20/20; A23K20/30; Y; Y10; Y10S; Y10S426/00; Y10S426/806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AS A NEW COMPOSITION OF MATTER, A FUSION REACTION PRODUCT COMPRISING ESSENTIALLY FROM ABOUT 70 TO 90% BY WEIGHT OF FERROPHOSPHORUS AND PYROLUSITE AND FROM ABOUT 10 TO 30% BY WEIGHT OF INORGANIC COMPOUNDS OF COPPER, ZINC AND COBALT, WHEREIN SAID INORGANIC COMPOUNDS ARE SELECTED FROM THE GROUP CONSISTING OF CARBONATES, OXIDES, PHOSPHIDES,PHOSPHATES, SULFIDES AND SULFATES, AND AT LEAST 50% BY WEIGHT OF THE MIXTURE BEING PYROLUSITE.
Claim 2
Dependent Claim
67 words
AS A NEW COMPOSITION OF MATTER, A FUSION REACTION PRODUCT COMPRISING ESSENTIALLY FROM ABOUT 70 TO 90% BY WEIGHT OF FERROPHOSPHORUS AND PYROLUSITE AND FROM ABOUT 10 TO 30% BY WEIGHT OF INORGANIC COMPOUNDS OF COPPER, ZINC AND COBALT, WHEREIN SAID INORGANIC COMPOUNDS ARE SELECTED FROM THE GROUP CONSISTING OF CARBONATES, OXIDES, PHOSPHIDES,PHOSPHATES, SULFIDES AND SULFATES, AND AT LEAST 50% BY WEIGHT OF THE MIXTURE BEING PYROLUSITE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |