US2841546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruded magnesium anodes with aluminum-coated steel core wires
Assignee: Dow Chemical Co
•
Filing: 1952-12-03
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Granted: 1958-07-01
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Expires: 1972-12-03
Abstract
No abstract record available.
Inventors
- 👤 Harold A Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:29
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/22; B21C23/24; C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/10; F; F24; F24H; F24H9/00; F24H9/40; F24H9/45; F24H9/455
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2486936A
Cited
US2619455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |