US2661387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous electrode plates and process for making such articles
Assignee: BASF SE
•
Filing: 1950-08-19
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Granted: 1953-12-01
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Expires: 1970-08-19
Abstract
No abstract record available.
Inventors
- 👤 Ackermann Karl
- 👤 Schlecht Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:37
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/04; H01F1/06; H01F1/08; H01F1/086
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
AS A NEW ARTICLE OF MANUFACUTURE, POROUS ELECTRO-PLATES FOR ALKALINE ACCUMULATORS, THE PORES OF SAID PLATES BEING ORIENTED IN THE DIRECTION TOWARDS THE PLATE SURFACE, SAID ORIENTATION BEING EFFECTUATED BY SHAPING A MASS OF MAGNETIZABLE PARTICLES INTO THE FORM OF A PLATE, POSITIONING THE AFORESAID PLATE-SHAPED MASS IN A MAGNETIC FIELD WHEREIN THE LINES OF MAGNETIC FLUX PASS TRANSVERSELY OF SAID PLATE THEREBY TO ALIGN THE PARTICLES THEREOF AND AFTER SAID ALIGNMENT SINTERING THE SAME.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |