Patent US4535038A successfully refreshed from Google Patents.
US4535038A
Expired / Lapsed
US
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Structure for electrochemical batteries
Assignee: Yardney Technical Products Inc
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Filing: 1984-05-21
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Granted: 1985-08-13
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Expires: 2004-05-21
Abstract
Abstract A battery stack has a plurality of inner frames and a plurality of outer frames. Pairs of inner and outer rings are connected by a web of porous insulating material which separates battery plates. The frames are fused together forming a unity housing with an inner electrolyte well.
Inventors
- 👤 Gerard H. Boyle
- 👤 Roger K. Freeman
- 👤 Franz Goebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:10
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M6/48; H01M50/00; H01M50/10; H01M50/102; H01M50/107; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
71 words
A structure for electrochemical batteries having a plurality of plates, comprised of: a first fusible frame sized to overlap the outer periphery of one of said plates; and a sheet of porous, electrically insulating material affixed to said first fusible frame wherein said sheet defines an inner hole and which further includes a second fusible frame sized to over lap the hole periphery, said sheet affixed to said second fusible frame.
Claim 2
Dependent Claim
71 words
A structure for electrochemical batteries having a plurality of plates, comprised of: a first fusible frame sized to overlap the outer periphery of one of said plates; and a sheet of porous, electrically insulating material affixed to said first fusible frame wherein said sheet defines an inner hole and which further includes a second fusible frame sized to over lap the hole periphery, said sheet affixed to said second fusible frame.
Claim 3
Dependent Claim
21 words
The structure of claim 1 wherein said second fusible frame has grooves to allow passage of electrolyte in an assembled battery.
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) | 1988-08-12 | 1989-02-11 | 1989-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-12 | 1993-02-11 | 1993-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-12 | 1997-02-11 | 1997-08-13 | $7700.00 | Window Closed / Lapsed |