US2468357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-energizing electrolytic corrosion preventing device
Assignee: Individual
•
Filing: 1946-11-25
•
Granted: 1949-04-26
•
Expires: 1966-11-25
Abstract
No abstract record available.
Inventors
- 👤 Ual J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:14
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US694933A
Cited
GB311882A
Cited
US2058370A
Cited
US2106004A
Cited
US2223504A
Cited
US2328589A
Cited
US2424145A
Cited
US2425424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |