US2564495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deferred action primary battery
Assignee: Burgess Battery Co
•
Filing: 1947-02-27
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Granted: 1951-08-14
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Expires: 1967-02-27
Abstract
No abstract record available.
Inventors
- 👤 John B Mullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:28
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M6/30; H01M6/32; H01M6/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A MULTIPLE CELL PRIMARY BATTERY ADAPTED FOR SIMULTANEOUS ACTIVATION OF THE CELLS THEREOF BY CONTACT WITH A COMMON BODY OF ACTIVATING LIQUID, COMPRISING A PLURALITY OF JUXTAPOSED PRIMARY CELLS EACH HAVING A SIDE THEREOF SUBSTANTIALLY ENTIRELY OPEN TO THE SURROUNDING SPACE FOR CONTACT WITH SAID ACTIVATING LIQUID DURING SAID ACTIVATING OPERATION, EACH CELL COMPRISING FLAT CELL ELEMENTS INCLUDING A POSITIVE ELECTODES AND A NEGATIVE ELECTRODE, THE POSITIVE ELECTRODE OF ONE CELL BEING ELECTRICALLY CONNECTED TO THE NEGATIVE ELECTRODE OF THE ADJACENT CELL, SAID CELL ELEMENTS HAVING SUBSTANTIALLY THEIR ENTIRE EDGES UPON SAID OPEN SIDE UNOBSTRUCTEDLY EXPOSED TO SAID SPACE, MEANS FOR SEPARATING THE RESPECTIVE CELLS OF SAID BATTERY AND PREVENTING THE FORMATION OF BRIDGES OF ACTIVATING LIQUID BETWEEN THE EXPOSED EDGES OF SAID ELECTRICALLY CONNECTED ELECTRODES CONSISTING OF SHEET-FORM, NON-CONDUCTIVE MEMBERS BETWEEN SAID CONNECTED ELECTRODES AND HAVING FLAT EDGE PORTIONS EXPOSED THROUGHOUT SUBSTANTIALLY THEIR ENTIRE LENGTH TO SAID SPACE AND PROJECTING AT LEAST 1/32 INCH BEYOND SAID EXPOSED EDGES OF SAID CONNECTED ELECTRODES, SAID SEPARATING MEMBERS BEING IN THE FORM OF A CONTINUOUS RIBBON FOLDED BACK AND FORTH, EACH SUCCEEDING FOLD EXTENDING IN THE OPPOSITE DIRECTION AND ALONG THE SUCCEEDING INTERCELL BOUNDARY.
Claim 2
Dependent Claim
192 words
A MULTIPLE CELL PRIMARY BATTERY ADAPTED FOR SIMULTANEOUS ACTIVATION OF THE CELLS THEREOF BY CONTACT WITH A COMMON BODY OF ACTIVATING LIQUID, COMPRISING A PLURALITY OF JUXTAPOSED PRIMARY CELLS EACH HAVING A SIDE THEREOF SUBSTANTIALLY ENTIRELY OPEN TO THE SURROUNDING SPACE FOR CONTACT WITH SAID ACTIVATING LIQUID DURING SAID ACTIVATING OPERATION, EACH CELL COMPRISING FLAT CELL ELEMENTS INCLUDING A POSITIVE ELECTODES AND A NEGATIVE ELECTRODE, THE POSITIVE ELECTRODE OF ONE CELL BEING ELECTRICALLY CONNECTED TO THE NEGATIVE ELECTRODE OF THE ADJACENT CELL, SAID CELL ELEMENTS HAVING SUBSTANTIALLY THEIR ENTIRE EDGES UPON SAID OPEN SIDE UNOBSTRUCTEDLY EXPOSED TO SAID SPACE, MEANS FOR SEPARATING THE RESPECTIVE CELLS OF SAID BATTERY AND PREVENTING THE FORMATION OF BRIDGES OF ACTIVATING LIQUID BETWEEN THE EXPOSED EDGES OF SAID ELECTRICALLY CONNECTED ELECTRODES CONSISTING OF SHEET-FORM, NON-CONDUCTIVE MEMBERS BETWEEN SAID CONNECTED ELECTRODES AND HAVING FLAT EDGE PORTIONS EXPOSED THROUGHOUT SUBSTANTIALLY THEIR ENTIRE LENGTH TO SAID SPACE AND PROJECTING AT LEAST 1/32 INCH BEYOND SAID EXPOSED EDGES OF SAID CONNECTED ELECTRODES, SAID SEPARATING MEMBERS BEING IN THE FORM OF A CONTINUOUS RIBBON FOLDED BACK AND FORTH, EACH SUCCEEDING FOLD EXTENDING IN THE OPPOSITE DIRECTION AND ALONG THE SUCCEEDING INTERCELL BOUNDARY.
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) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |