Patent US2514151A successfully refreshed from Google Patents.
US2514151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery separator
Assignee: Nickel Cadmium Battery Corp
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Filing: 1947-02-14
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Granted: 1950-07-04
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Expires: 1967-02-14
Abstract
No abstract record available.
Inventors
- 👤 Berg Carl
- 👤 Berg Marcus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:51
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/463; H01M50/469; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A SEPARATOR ROD FOR USE BETWEEN THE PLATES OF A BATTERY TO HOLD THEM IN PARALLEL SPACED RELATION, COMPRISING AN ELONGATE, FLAT STRIP OF LESS THICKNESS THAN THE DISTANCE BETWEEN THE PLATES AND HAVING PROJECTING FROM ITS OPPOSITE SURFACES RIBS FOR ENGAGEMENT WITH RECESSES IN SAID PLATES, SAID RIBS BEING CONVEX AND OF DIFFERENT RADIUS OF CURVATURE, AND THE OVERALL THICKNESS OF THE STRIP THROUGH THE RIBS BEING GREATER THAN THE MINIMUM DISTANCE BETWEEN THE PLATES.
Claim 2
Dependent Claim
76 words
A SEPARATOR ROD FOR USE BETWEEN THE PLATES OF A BATTERY TO HOLD THEM IN PARALLEL SPACED RELATION, COMPRISING AN ELONGATE, FLAT STRIP OF LESS THICKNESS THAN THE DISTANCE BETWEEN THE PLATES AND HAVING PROJECTING FROM ITS OPPOSITE SURFACES RIBS FOR ENGAGEMENT WITH RECESSES IN SAID PLATES, SAID RIBS BEING CONVEX AND OF DIFFERENT RADIUS OF CURVATURE, AND THE OVERALL THICKNESS OF THE STRIP THROUGH THE RIBS BEING GREATER THAN THE MINIMUM DISTANCE BETWEEN THE PLATES.
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) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |