Patent US2437127A successfully refreshed from Google Patents.
US2437127A
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Apparatus for powder metallurgy
Assignee: HPM Development Corp
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Filing: 1945-10-01
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Granted: 1948-03-02
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Expires: 1965-10-01
Abstract
No abstract record available.
Inventors
- 👤 Lloyd D Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:24
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/02; B30B15/022; B22; B22F; B22F3/00; B22F3/12; B22F3/14; B30B11/00; B30B11/02; B30B15/06; B30B15/065; B30B15/34; Y; Y10; Y10S; Y10S264/00; Y10S264/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-02 | 1951-09-01 | 1952-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-02 | 1955-09-01 | 1956-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-02 | 1959-09-01 | 1960-03-02 | $7700.00 | Window Closed / Lapsed |