US2865976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the insulation and assembly of flat dry cells
Assignee: Pile Leclanche SA
•
Filing: 1953-12-07
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Granted: 1958-12-23
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Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 Jammet Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:16
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M6/48; H01M50/00; H01M50/10; H01M50/102; H01M50/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A FLAT DRY CELL BATTERY IN WHICH THE VARIOUS ELEMENTS OF THE BATTERY ARE PILED ON TOP OF EACH OTHER AND ARE GRIPPED ALONG THE INTERIOR OF A RELATIVELY THIN-WALLED COMMON CASING MADE OF INSULATING MATERIAL WHICH IS NOT ATTACKED BY THE CONSTITUENTS OF THE CELLS, COMPRISING A COMMON CASING HAVING AN IMPERFORATE WALL WITH GROOVES MOLDED THEREIN EACH SERVING FOR THE ACCOMMODATION OF THE PERIPHERY OF AN ANODE, AT LEAST ONE ANODE WITH THE PERIPHERY THEREOF ACCOMMODATED IN A CORRESPONDING ONE OF SAID GROOVES, A LAYER OF CONDUCTING VARNISH COVERING THE ENTIRE SURFACE OF THE DEPOLARIZING FACE OF SAID ANODE, SAID CASING BEING MADE OF ELASTIC MATERIAL OF A THICKNESS TO RETAIN PERMEABILITY THEREOF TO GASES, AND THE HEIGHT OF
Claim 2
Dependent Claim
121 words
A FLAT DRY CELL BATTERY IN WHICH THE VARIOUS ELEMENTS OF THE BATTERY ARE PILED ON TOP OF EACH OTHER AND ARE GRIPPED ALONG THE INTERIOR OF A RELATIVELY THIN-WALLED COMMON CASING MADE OF INSULATING MATERIAL WHICH IS NOT ATTACKED BY THE CONSTITUENTS OF THE CELLS, COMPRISING A COMMON CASING HAVING AN IMPERFORATE WALL WITH GROOVES MOLDED THEREIN EACH SERVING FOR THE ACCOMMODATION OF THE PERIPHERY OF AN ANODE, AT LEAST ONE ANODE WITH THE PERIPHERY THEREOF ACCOMMODATED IN A CORRESPONDING ONE OF SAID GROOVES, A LAYER OF CONDUCTING VARNISH COVERING THE ENTIRE SURFACE OF THE DEPOLARIZING FACE OF SAID ANODE, SAID CASING BEING MADE OF ELASTIC MATERIAL OF A THICKNESS TO RETAIN PERMEABILITY THEREOF TO GASES, AND THE HEIGHT OF
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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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |