Patent US3960863A successfully refreshed from Google Patents.
US2806076A
Expired / Lapsed
US
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Method of manufacturing the porous tube for storage battery plate
Assignee: Yuasa Corp
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Filing: 1953-05-15
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Granted: 1957-09-10
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Expires: 1973-05-15
Abstract
No abstract record available.
Inventors
- 👤 Yamaura Masao
- 👤 Nakaseko Nobuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:48
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/76; H01M4/765; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A POOROUS TUBE FOR A STORAGE BATTERY PLATE COMPRISING A HOLLOW, LINEAR TUBE CONTAINING ACTIVE BATTERY MATERIAL, SAID TUBE HAVING ENDS PERPENDICULAR TO THE LONGI-TUDINAL AXIS OF SAID TUBE AND FORMED WITH A COIL OF GLASS FIBER MAT FABRICATED OF FILAMENTS LAID AT OBLIQUE ANGLES AND IMPREGNATED WITH AN ACID RESISTING ADHESIVE, SAID COIL BEING WRAPPED IN A SPIRAL IN A PLANE PERPENDICULAR TO THE AXIS OF THE TUBE, SAID TUBE HAVING A SINGLE LINEAR OVERLAP SEAM WITHIN SAID TUBE BORE AND A SINGLE LINEAR OVERLAP SEAM ON THE OUTSIDE SURFACE OF SAID TUBE BOTH PARALLEL TO THE LONGITUDINAL AXIS OF SAID TUBE.
Claim 2
Dependent Claim
103 words
A POOROUS TUBE FOR A STORAGE BATTERY PLATE COMPRISING A HOLLOW, LINEAR TUBE CONTAINING ACTIVE BATTERY MATERIAL, SAID TUBE HAVING ENDS PERPENDICULAR TO THE LONGI-TUDINAL AXIS OF SAID TUBE AND FORMED WITH A COIL OF GLASS FIBER MAT FABRICATED OF FILAMENTS LAID AT OBLIQUE ANGLES AND IMPREGNATED WITH AN ACID RESISTING ADHESIVE, SAID COIL BEING WRAPPED IN A SPIRAL IN A PLANE PERPENDICULAR TO THE AXIS OF THE TUBE, SAID TUBE HAVING A SINGLE LINEAR OVERLAP SEAM WITHIN SAID TUBE BORE AND A SINGLE LINEAR OVERLAP SEAM ON THE OUTSIDE SURFACE OF SAID TUBE BOTH PARALLEL TO THE LONGITUDINAL AXIS OF SAID TUBE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |