Patent US5490466A successfully refreshed from Google Patents.
Patent US2662928A successfully refreshed from Google Patents.
US2662928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery electrode
Assignee: Individual
•
Filing: 1950-02-25
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Granted: 1953-12-15
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Expires: 1970-02-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:15
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A COMPOSITE POROUS METALLIC NEGATIVE ELECTRODE FOR STORAGE BATTERIES OF THE ALKALINE ELECTROLYTE TYPE COMPRISING AN INNER LAYER OF RELATIVELY HIGHLY ELECTROLYTICALLY ACTIVE NEGATIVE POROUS PARTICULATE SPRAY DEPOSITED METAL ENVELOPED BY AND THERMALLY AND CONDUCTIVELY BONDED TO AN EXTERIOR RELATIVELY LESS ACTIVE POROUS SPRAY DEPOSITED PARTICULATE NICKEL LAYER, SAID NICKEL LAYER IMPARTING THE CHARACTERISTICS OF STABILITY AND DURABILITY TO SAID ELECTRODE BY RENDERING THE SAME RESISTANT TO CORRROSION AND DISINTEGRATION.
Claim 2
Dependent Claim
70 words
A COMPOSITE POROUS METALLIC NEGATIVE ELECTRODE FOR STORAGE BATTERIES OF THE ALKALINE ELECTROLYTE TYPE COMPRISING AN INNER LAYER OF RELATIVELY HIGHLY ELECTROLYTICALLY ACTIVE NEGATIVE POROUS PARTICULATE SPRAY DEPOSITED METAL ENVELOPED BY AND THERMALLY AND CONDUCTIVELY BONDED TO AN EXTERIOR RELATIVELY LESS ACTIVE POROUS SPRAY DEPOSITED PARTICULATE NICKEL LAYER, SAID NICKEL LAYER IMPARTING THE CHARACTERISTICS OF STABILITY AND DURABILITY TO SAID ELECTRODE BY RENDERING THE SAME RESISTANT TO CORRROSION AND DISINTEGRATION.
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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |