US2677006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline electric storage battery cell
Assignee: Svenska Ackumulator Jungner AB
•
Filing: 1950-10-10
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Granted: 1954-04-27
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Expires: 1970-10-10
Abstract
No abstract record available.
Inventors
- 👤 Ameln Karl Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:31
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/24; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
AN ELECTRIC STORAGE BATTERY CELL OF THE ALKALINE TYPE HAVING TWO DIFFERENT TYPES OF ELECTRODES, SAID ELECTRODES BEING CONSTITUTED BY ONE OR MORE POSITIVE ELECTRODES COMPRISING POROUS CONDUCTING BODIES OF SINTERED METAL POWDER, SAID BODIES CONTAINING ACTIVE MATERIAL IN THEIR PORES, IN COMBINATION WITH ONE OR MORE NEGATIVE ELECTRODES COMPRISING POCKETS OF PERFORATE SHEET METAL CONTAINING ACTIVE MATERIAL IN A PULVERULENT STATE.
Claim 2
Dependent Claim
62 words
AN ELECTRIC STORAGE BATTERY CELL OF THE ALKALINE TYPE HAVING TWO DIFFERENT TYPES OF ELECTRODES, SAID ELECTRODES BEING CONSTITUTED BY ONE OR MORE POSITIVE ELECTRODES COMPRISING POROUS CONDUCTING BODIES OF SINTERED METAL POWDER, SAID BODIES CONTAINING ACTIVE MATERIAL IN THEIR PORES, IN COMBINATION WITH ONE OR MORE NEGATIVE ELECTRODES COMPRISING POCKETS OF PERFORATE SHEET METAL CONTAINING ACTIVE MATERIAL IN A PULVERULENT STATE.
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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) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |