US2430468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating silver on aluminum and its alloys
Assignee: AT&T Inc
•
Filing: 1943-11-08
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Granted: 1947-11-11
•
Expires: 1963-11-08
Abstract
No abstract record available.
Inventors
- 👤 Edward M Julich
- 👤 William A Mehmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:24
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/46; C25D5/00; C25D5/34; C25D5/42; C25D5/44
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) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |