US3655837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing metal powder
Assignee: Republic Steel Corp
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Filing: 1969-06-18
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Granted: 1972-04-11
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Expires: 1989-06-18
Abstract
Abstract PROCESS FOR PRODUCING METAL PARTICLED HAVING IRREGULAR SHAPES INVOLVING ATOMIZING A FLOWING STREAM OF MOLTEN METAL TO PRODUCE PARTICLES, AND INJECTING PARTICLES OF METAL OF THE SAME MATERIAL AS THE MOLTEN METAL INTO THE ZONE OF ATOMIZATION OR PRIOR TO OR SUBSEQUENT TO ATOMIZATIN, OR INJECTING AN INERT GAS SUBSTANTIALLY AGAINST THE FLOW OR PARTICLES DOWNSTREAM FROM THE ZONE OF ATOMIZATION.
Inventors
- 👤 William A Reed
- 👤 William K Kinzer
- 👤 John J Swanson
- 👤 Robert E Kusner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:55
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/082
Claims Analysis
Total Claims: 0
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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) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |