Patent US2430092A successfully refreshed from Google Patents.
US2430092A
Expired / Lapsed
US
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Method of electroforming of metals
Assignee: Individual
•
Filing: 1945-07-25
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Granted: 1947-11-04
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Expires: 1965-07-25
Abstract
No abstract record available.
Inventors
- 👤 Westin Axel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:38
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/0004; H05B3/0009; B; B21; B21D; B21D22/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-03 | 1951-05-05 | 1951-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-03 | 1955-05-05 | 1955-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-03 | 1959-05-05 | 1959-11-04 | $7700.00 | Window Closed / Lapsed |