Patent US2776200A successfully refreshed from Google Patents.
US2776200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of metal powder from carbonyl
Assignee: Huntington Alloys Corp
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Filing: 1953-12-18
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Granted: 1957-01-01
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Expires: 1973-12-18
Abstract
No abstract record available.
Inventors
- 👤 Wallis Albert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:30
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/16; B22F9/30; B22F9/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
AS PROCESS FOR THE PRODUCTION OF METAL POWDER OF SMALL PARTICLE SIZE BY THE THERMAL DECOMPOSITIONS OF METAL CARBONYL VAPOUR IN A HOT FREE SPACE, CHARACTERISED MIN THAT NON-VOLATILE SOLID NUCLEI FOR THE DECOMPOSING CARBONYL ARE FORMED BY THE SUBSTANTIALLY INSTANTANEOUS REACTION OF A VERY SMALL AMOUNT OF A REAGENT, CAPABLE OF REACTING SUBSTANTIALLY INSTANTANEOUSLY WITH CARBONYL VAPOUR AT LOW TEMPERATURES, WITH EITHER CARBONYL FLOWING TO THE SPACE OR THE CARBONYL WITHIN THE SPACE.
Claim 2
Dependent Claim
74 words
AS PROCESS FOR THE PRODUCTION OF METAL POWDER OF SMALL PARTICLE SIZE BY THE THERMAL DECOMPOSITIONS OF METAL CARBONYL VAPOUR IN A HOT FREE SPACE, CHARACTERISED MIN THAT NON-VOLATILE SOLID NUCLEI FOR THE DECOMPOSING CARBONYL ARE FORMED BY THE SUBSTANTIALLY INSTANTANEOUS REACTION OF A VERY SMALL AMOUNT OF A REAGENT, CAPABLE OF REACTING SUBSTANTIALLY INSTANTANEOUSLY WITH CARBONYL VAPOUR AT LOW TEMPERATURES, WITH EITHER CARBONYL FLOWING TO THE SPACE OR THE CARBONYL WITHIN THE SPACE.
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) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |