US2558090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Periodic reverse current electroplating apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1947-12-11
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Granted: 1951-06-26
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Expires: 1967-12-11
Abstract
No abstract record available.
Inventors
- 👤 George W Jernstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:11
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/18; C07; C07F; C07F5/00; C07F5/06; C07F5/069; C25D5/60; C25D5/605; C25D5/611; C25D5/623; C25D5/627
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) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |