US2909588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery separator
Assignee: Exide Technologies LLC
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Filing: 1953-01-05
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Granted: 1959-10-20
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Expires: 1973-01-05
Abstract
No abstract record available.
Inventors
- 👤 Rolph Samuel Wyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/463; H01M50/466; H01M2300/00; H01M2300/0002; H01M2300/0005; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
IN A STORAGE BATTERY, MEANS FOR SEPARATING ADJACENT POSITIVE AND NEGATIVE PLATES COMPRISING A FIRST WALL, A SECOND WALL, SAID WALLS BEING SUBSTANTIALLY FLAT, AND A PLURALITY OF VERTICAL EXTENDING CONTINUOUS SUPPORTS AT RIGHT ANGLES TO SAID WALLS SPACING AND SUPPORTING SAID WALLS IN CONTINUOUS PARALLEL PLANES, SAID WALL AND SAID SUPPORTS BEING INTEGRALLY FORMED OF MICROPOROUS, ACID RE-
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |