US2519052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat primary battery
Assignee: Olin Industries Inc
•
Filing: 1947-05-28
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Granted: 1950-08-15
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Expires: 1967-05-28
Abstract
No abstract record available.
Inventors
- 👤 Carl J Krachenfels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:30
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A FLAT BATTERY COMPRISING AN ASSEMBLY OF SUBSTANTIALLY FLAT CELL ELEMENTS ARRANGED IN PROPER ORDER TO FORM A PLURALITY OF CELLS AND INCLUDING MIX CAKES, A FLAT PARTITION MEMBER OF SHEET INSULATING MATERIAL AT THE TOP AND BOTTOM OF EACH CELL AND HAVING ITS EDGES EXTENDING BEYOND THE EDGES OF THE MIX CAKE, AND A SHRINK-FIT JACKET OF A SINGLE LAYER OF THERMOPLASTIC MATERIAL, CAPABLE OF FORMING A GEL LACQUER, EXTENDING OVER THE TOP AND BOTTOM EDGES OF THE BATTERY AND RETAINING THE CELL ELEMENTS UNDER COMPRESSION, SAID JACKET BEING BONDED TO THE EDGES OF THE SAID PARTITION MEMBERS, AND SPECED FROM THE EDGES OF THE MIX CAKES, THEREBY SEALING THE CELLS FROM ONE ANOTYHER AND FURNISHING AN AIR SPACE SURROUNDING EACH MIX CAKE.
Claim 2
Dependent Claim
124 words
A FLAT BATTERY COMPRISING AN ASSEMBLY OF SUBSTANTIALLY FLAT CELL ELEMENTS ARRANGED IN PROPER ORDER TO FORM A PLURALITY OF CELLS AND INCLUDING MIX CAKES, A FLAT PARTITION MEMBER OF SHEET INSULATING MATERIAL AT THE TOP AND BOTTOM OF EACH CELL AND HAVING ITS EDGES EXTENDING BEYOND THE EDGES OF THE MIX CAKE, AND A SHRINK-FIT JACKET OF A SINGLE LAYER OF THERMOPLASTIC MATERIAL, CAPABLE OF FORMING A GEL LACQUER, EXTENDING OVER THE TOP AND BOTTOM EDGES OF THE BATTERY AND RETAINING THE CELL ELEMENTS UNDER COMPRESSION, SAID JACKET BEING BONDED TO THE EDGES OF THE SAID PARTITION MEMBERS, AND SPECED FROM THE EDGES OF THE MIX CAKES, THEREBY SEALING THE CELLS FROM ONE ANOTYHER AND FURNISHING AN AIR SPACE SURROUNDING EACH MIX CAKE.
References Cited (Backward Citations)
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Cited
US1821008A
Cited
US1916709A
Cited
US2154312A
Cited
US2272969A
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US2416576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |