US2916429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the electrolytic protection of a ship's metal skin against corrosion
Assignee: Konink Rotterdamsche Lloyd N V
•
Filing: 1957-09-23
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Granted: 1959-12-08
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Expires: 1977-09-23
Abstract
No abstract record available.
Inventors
- 👤 Vossnack Ernst
- 👤 Visscher Jan Hendrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:23
CPC Classifications
B; B63; B63B; B63B59/00; B63B59/04; C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/10; C23F13/18; C23F2213/00; C23F2213/20; C23F2213/21; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2863819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |