Patent US3007993A successfully refreshed from Google Patents.
US3007993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodes and cells containing them
Assignee: AT&T Inc
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Filing: 1945-03-29
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Granted: 1961-11-07
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Expires: 1965-03-29
Abstract
No abstract record available.
Inventors
- 👤 Horace E Haring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:37
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; H01M6/00; H01M6/30; H01M6/32; H01M6/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AN ELECTRODE FOR AN ELECTRIC CELL COMPRISING A SILVER BASE, A LAYER OF SILVER CHLORIDE ON THE SURFACE OF SAID BASE, A THIN LAYER OF POROUS REDUCED METALLIC SILVER ON THE OUTER SURFACE OF SAID SILVER CHLORIDE LAYER AND A PLURALITY OF FILAMENTARY BRIDGES OF REDUCED METALLIC SILVER
Claim 2
Dependent Claim
48 words
AN ELECTRODE FOR AN ELECTRIC CELL COMPRISING A SILVER BASE, A LAYER OF SILVER CHLORIDE ON THE SURFACE OF SAID BASE, A THIN LAYER OF POROUS REDUCED METALLIC SILVER ON THE OUTER SURFACE OF SAID SILVER CHLORIDE LAYER AND A PLURALITY OF FILAMENTARY BRIDGES OF REDUCED METALLIC SILVER
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) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |