US2865973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery plates
Assignee: Exide Technologies LLC
•
Filing: 1953-06-24
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Granted: 1958-12-23
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Expires: 1973-06-24
Abstract
No abstract record available.
Inventors
- 👤 George S Hartman
- 👤 Abraham L Levine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:15
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/80; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A BATTERY ELECTRODE COMPRISING, IN COMBINATION A POROUS GRAPHITE MATRIX, A GAS-PERVIOUS COATING OF NICKEL OVER THE INTERSTITIAL SURFACES OF SAID MATRIX, THE THICKNESS OF SAID COATING BEING ON THE ORDER OF 0.001 INCH OR LESS, SAID COATING PRESENTING A SURFACE TO WHICH NICKEL HYDRATE WILL PREFERENTIALLY ADHERE RELATIVE TO THE MATERIAL OF SAID MATRIX, NICKEL HYDRATE DISTRIBUTED THROUGHOUT THE PORES OF SAID MATRIX, A GAS-IMPERVIOUS LAYER OF METAL ON A RESTRICTED AREA OF SAID MATRIX ADJACENT AN EDGE OF SAID MATRIX, AND AN ELECTRICAL CONDUCTOR BONDED TO SAID GAS-IMPERVIOUS LAYER.
Claim 2
Dependent Claim
91 words
A BATTERY ELECTRODE COMPRISING, IN COMBINATION A POROUS GRAPHITE MATRIX, A GAS-PERVIOUS COATING OF NICKEL OVER THE INTERSTITIAL SURFACES OF SAID MATRIX, THE THICKNESS OF SAID COATING BEING ON THE ORDER OF 0.001 INCH OR LESS, SAID COATING PRESENTING A SURFACE TO WHICH NICKEL HYDRATE WILL PREFERENTIALLY ADHERE RELATIVE TO THE MATERIAL OF SAID MATRIX, NICKEL HYDRATE DISTRIBUTED THROUGHOUT THE PORES OF SAID MATRIX, A GAS-IMPERVIOUS LAYER OF METAL ON A RESTRICTED AREA OF SAID MATRIX ADJACENT AN EDGE OF SAID MATRIX, AND AN ELECTRICAL CONDUCTOR BONDED TO SAID GAS-IMPERVIOUS LAYER.
References Cited (Backward Citations)
US884930A
Cited
US928963A
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US1639280A
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GB653235A
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US2658099A
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US2626294A
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US2737541A
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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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |