Patent FR1014324A successfully refreshed from Google Patents.
US2378539A
Expired / Lapsed
US
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Process of making shaped bodies capable of being sintered
Assignee: Individual
•
Filing: 1941-09-04
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Granted: 1945-06-19
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Expires: 1961-09-04
Abstract
No abstract record available.
Inventors
- 👤 Dawihl Walther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:29
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/12; Y; Y10; Y10S; Y10S29/00; Y10S29/031; Y10S425/00; Y10S425/115
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) | 1948-06-18 | 1948-12-18 | 1949-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-18 | 1952-12-18 | 1953-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-18 | 1956-12-18 | 1957-06-19 | $7700.00 | Window Closed / Lapsed |