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US2329862A
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Apparatus and process for treating metal powders
Assignee: Motors Liquidation Co
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Filing: 1940-10-16
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Granted: 1943-09-21
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Expires: 1960-10-16
Abstract
No abstract record available.
Inventors
- 👤 Robert H Terry
- 👤 Donald J Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:43
CPC Classifications
C; C21; C21D; C21D3/00; C21D3/02; C21D3/04; B; B22; B22F; B22F1/00; B22F1/14; B22F1/145
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) | 1946-09-20 | 1947-03-22 | 1947-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-20 | 1951-03-22 | 1951-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-20 | 1955-03-22 | 1955-09-21 | $7700.00 | Window Closed / Lapsed |