US2747008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for drying accumulator electrodes
Assignee: Tudor AB
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Filing: 1954-01-05
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Granted: 1956-05-22
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Expires: 1974-01-05
Abstract
No abstract record available.
Inventors
- 👤 Sundberg Erik Gustav
- 👤 Ousback Bror Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:12
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/14; H01M4/16; H01M4/22; H01M4/23; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF DRYING A WATER-CONTAINING, CHARGED POROUS BATTERY ELECTRODE WHILE SIMULTANEOUSLY PROTECTING THE ELECTRODE AGAINST ATTACK FROM THE OXYGEN OF THE ATMOSPHERE, COMPRISING THE STEPS OF: IMMERSING SAID ELECTRODE IN A TREATMENT LIQUID HAVING A BOILING POINT HIGHER THAN THAT OF WATER, A SPECIFIC GRAVITY LESS THAN THAT OF WATER, AND WHICH IS SUBSTANTIALLY INSOLUBLE IN WATER; SUPPLYING HEAT TO SAID TREATMENT LIQUID SO AS TO CAUSE SAID WATER IN SAID ELECTRODE TO EVAPORATE; COLLECTING AND CONDENSING ALL OF THE VAPOR OF SAID WATER ALONG WITH WHATEVER VAPOR MAY BE CONTRIBUTED BY EVAPORATION OF SAID
Claim 2
Independent Claim
96 words
THE METHOD OF DRYING A WATER-CONTAINING, CHARGED POROUS BATTERY ELECTRODE WHILE SIMULTANEOUSLY PROTECTING THE ELECTRODE AGAINST ATTACK FROM THE OXYGEN OF THE ATMOSPHERE, COMPRISING THE STEPS OF: IMMERSING SAID ELECTRODE IN A TREATMENT LIQUID HAVING A BOILING POINT HIGHER THAN THAT OF WATER, A SPECIFIC GRAVITY LESS THAN THAT OF WATER, AND WHICH IS SUBSTANTIALLY INSOLUBLE IN WATER; SUPPLYING HEAT TO SAID TREATMENT LIQUID SO AS TO CAUSE SAID WATER IN SAID ELECTRODE TO EVAPORATE; COLLECTING AND CONDENSING ALL OF THE VAPOR OF SAID WATER ALONG WITH WHATEVER VAPOR MAY BE CONTRIBUTED BY EVAPORATION OF SAID
References Cited (Backward Citations)
DE201750C
Cited
US1799248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |