Patent US4861690A successfully refreshed from Google Patents.
US4861690A
Expired / Lapsed
US
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Lightweight battery construction
Assignee: NORSONS INTERNATIONAL LLC
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Filing: 1988-06-06
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Granted: 1989-08-29
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Expires: 2008-06-06
Abstract
Abstract Lightweight batteries which have electrodes that include a base current collector and carrier of carbon fiber material.
Inventors
- 👤 Henry F. Hope
- 👤 Stephen F. Hope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:05
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/052; H01M10/056; H01M10/0564; H01M10/0565; H01M4/00; H01M4/02; H01M4/06; H01M4/08; H01M4/12; H01M4/64; H01M4/66; H01M4/663; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
45 words
In an electric battery which includes a positive electrode, a negative electrode, and an electrolyte wherein at least one of the electrodes comprises a current collector and carrier of carbon fibre material, and a coating of alkaline earth metal on said current collector and carrier.
Claim 2
Dependent Claim
45 words
In an electric battery which includes a positive electrode, a negative electrode, and an electrolyte wherein at least one of the electrodes comprises a current collector and carrier of carbon fibre material, and a coating of alkaline earth metal on said current collector and carrier.
Claim 3
Dependent Claim
14 words
A battery as defined in claim 1 in which said electrode is an anode.
Claim 4
Dependent Claim
21 words
A battery as defined in claim 1 in which said electrode is a cathode and additionally includes a cathode active material.
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) | 1992-08-28 | 1993-02-27 | 1993-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-28 | 1997-02-27 | 1997-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-28 | 2001-02-27 | 2001-08-29 | $7700.00 | Window Closed / Lapsed |