US2978323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloyed flocks from metal carbonyls and halides
Assignee: GAF Chemicals Corp
•
Filing: 1956-12-17
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Granted: 1961-04-04
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Expires: 1976-12-17
Abstract
No abstract record available.
Inventors
- 👤 Schmeckenbecher Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:52
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; B22F3/11; B22F3/1103; B22F9/00; B22F9/16; B22F9/30; B22F9/305; B22F2998/00; B22F2998/10; B22F2999/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE PROCESS OF PREPARING SINTERED MAGNETIZABLE BODIES OF 90-93% POROSITY WHICH COMPRISES TREATING A METAL CARBONYL IN THE FREE-SPACE OF A VESSEL HEATED TO A TEMPERATURE RANGING FROM 250-300*C. WITH A LIQUID HALIDE SELECTED FROM THE CLASS CONSISTING OF CHLORIDES AND BROMIDES OF THE ELEMENTS OF ARSENIC, BORON, PHOSPHORUS SILICON AND TITANIUM TO YIELD FLOCKS CONTAINING FROM 0.01% TO 7.5% OF THE ELEMENT FROM THE SAID HALIDE, AND SINTERING THE RESULTING FLOCK.
Claim 2
Dependent Claim
72 words
THE PROCESS OF PREPARING SINTERED MAGNETIZABLE BODIES OF 90-93% POROSITY WHICH COMPRISES TREATING A METAL CARBONYL IN THE FREE-SPACE OF A VESSEL HEATED TO A TEMPERATURE RANGING FROM 250-300*C. WITH A LIQUID HALIDE SELECTED FROM THE CLASS CONSISTING OF CHLORIDES AND BROMIDES OF THE ELEMENTS OF ARSENIC, BORON, PHOSPHORUS SILICON AND TITANIUM TO YIELD FLOCKS CONTAINING FROM 0.01% TO 7.5% OF THE ELEMENT FROM THE SAID HALIDE, AND SINTERING THE RESULTING FLOCK.
References Cited (Backward Citations)
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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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |