Patent US2024286A successfully refreshed from Google Patents.
US2024286A
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Apparatus for making pistons
Assignee: Alcoa Corp
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Filing: 1931-03-18
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Granted: 1935-12-17
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Expires: 1951-03-18
Abstract
No abstract record available.
Inventors
- 👤 Handler Alfred Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:37
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/10; B21; B21J; B21J13/00; B21J13/02; B21J13/025; B21K; B21K1/00; B21K1/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49249
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) | 1938-12-16 | 1939-06-17 | 1939-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-16 | 1943-06-17 | 1943-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-16 | 1947-06-17 | 1947-12-17 | $7700.00 | Window Closed / Lapsed |