US2243429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating of nonconductive surfaces
Assignee: Langbein Pfanhauser Werke AG
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Filing: 1938-01-11
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Granted: 1941-05-27
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Expires: 1958-01-11
Abstract
No abstract record available.
Inventors
- 👤 Laux Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:50
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/18; H05K3/188
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) | 1944-05-26 | 1944-11-25 | 1945-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-05-26 | 1948-11-25 | 1949-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-05-26 | 1952-11-25 | 1953-05-27 | $7700.00 | Window Closed / Lapsed |