Patent US2133291A successfully refreshed from Google Patents.
US2133291A
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Manufacture of compound metal bodies
Assignee: Individual
•
Filing: 1934-08-16
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Granted: 1938-10-18
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Expires: 1954-08-16
Abstract
No abstract record available.
Inventors
- 👤 Gordon Frederick Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:14
CPC Classifications
B; B21; B21K; B21K25/00; B23; B23K; B23K20/00; B23K20/22; B23K20/227; B23K20/233; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3026; B32; B32B; B32B15/00; B32B15/01; B32B15/013; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771
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) | 1941-10-17 | 1942-04-18 | 1942-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-17 | 1946-04-18 | 1946-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-17 | 1950-04-18 | 1950-10-18 | $7700.00 | Window Closed / Lapsed |