Patent US4731305A successfully refreshed from Google Patents.
US4731305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylindrical bipolar electrode battery
Assignee: Yardney Technical Products Inc
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Filing: 1987-05-15
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Granted: 1988-03-15
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Expires: 2007-05-15
Abstract
Abstract A battery has first and second polarity circular electrodes within a circular housing. At least one bipolar electrode is interposed between the first and second polarity circular electrodes. Porous separators are located between electrodes. The cell also includes an electrolyte solution. Electric current is coupled from the first and second cylindrical electrodes.
Inventors
- 👤 Franz Goebel
- 👤 David C. Batson
- 👤 Anthony J. Miserendino
- 👤 Gerard Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:16
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/04; H01M10/0422; H01M6/00; H01M6/14; H01M6/30; H01M6/36; H01M6/38; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
113 words
A battery comprising (a) cylindrical housing; (b) concentrically arranged cylindrical electrode structures within said cylindrical housing including: (i) a first polarity cylindrical electrode structure (ii) a second polarity cylindrical electrode structure; and (iii) at least one bipolar cylindrical electrode structure having a conductive carrier, a first polarity electrode layer on the side of the carrier facing said second polarity cylindrical electrode structure, and a second polarity electrode layer on the side of the carrier facing said first polarity cylindrical electrode structure; (c) a porous separator between each cylindrical electrode structure; (d) a quantity of electrolyte solution; and (e) means to couple electrical current from said first polarity and second polarity cylindrical electrode structures.
Claim 2
Dependent Claim
113 words
A battery comprising (a) cylindrical housing; (b) concentrically arranged cylindrical electrode structures within said cylindrical housing including: (i) a first polarity cylindrical electrode structure (ii) a second polarity cylindrical electrode structure; and (iii) at least one bipolar cylindrical electrode structure having a conductive carrier, a first polarity electrode layer on the side of the carrier facing said second polarity cylindrical electrode structure, and a second polarity electrode layer on the side of the carrier facing said first polarity cylindrical electrode structure; (c) a porous separator between each cylindrical electrode structure; (d) a quantity of electrolyte solution; and (e) means to couple electrical current from said first polarity and second polarity cylindrical electrode structures.
Claim 3
Dependent Claim
40 words
The battery of claim 1 which further includes a container for storing said electrolyte solution; and a disc having circular grooves accepting edges of said separators and at least one channel providing fluid communication between said container and said grooves.
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) | 1991-03-15 | 1991-09-14 | 1992-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-15 | 1995-09-14 | 1996-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-15 | 1999-09-14 | 2000-03-15 | $7700.00 | Window Closed / Lapsed |