US3279953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating seals for metallic sealed battery casings
Assignee: Sonotone Corp
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Filing: 1963-11-12
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Granted: 1966-10-18
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Bierdumpfel Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:08
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/147; H01M50/166; H01M50/171; B; B21; B21D; B21D17/00; B21D17/02; B21D17/025; H01M50/167; H01M50/30; H01M50/342; H01M50/3425; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A SEALED BATTERY CELL HAVING AN ELECTRODE ASSEMBLY OF AT LEAST TWO OPPOSITE-POLARITY ELECTRODES AND ASSOCIATE ELECTROLYTE: A METALLIC ENCLOSURE COMPRISING A TUBULAR METALLIC CASING AND A METALLIC COVER SHEET ENCLOSING SAID ASSEMBLY AND CONNECTED TO SAID TWO ELECTRODES, RESPECTIVELY, SAID COVER SHEET HAVING A PERIPHERAL COVER RIM AFFIXED TO THE SURROUNDING CASING JUNCTION REGION NEAR THE OPEN CASING END OF SAID TUBULAR CASING AN INSULATING SEPARATOR COLLAR OVERLAPPING AND SEPARATING SAID COVER RIM FROM SAID CASING JUNCTION REGION, A TUBULAR SECTION OF SAID CASING JUNCTION REGION, A DOUBLE-WALL INWARD CASING PROJECTION WITH NARROW INWARD SEALING EDGE PROTRUDING BEYOND ADJOINING PORTIONS OF SAID PROJECTION TOWARD SAID OPEN CASING END,
Claim 2
Dependent Claim
110 words
IN A SEALED BATTERY CELL HAVING AN ELECTRODE ASSEMBLY OF AT LEAST TWO OPPOSITE-POLARITY ELECTRODES AND ASSOCIATE ELECTROLYTE: A METALLIC ENCLOSURE COMPRISING A TUBULAR METALLIC CASING AND A METALLIC COVER SHEET ENCLOSING SAID ASSEMBLY AND CONNECTED TO SAID TWO ELECTRODES, RESPECTIVELY, SAID COVER SHEET HAVING A PERIPHERAL COVER RIM AFFIXED TO THE SURROUNDING CASING JUNCTION REGION NEAR THE OPEN CASING END OF SAID TUBULAR CASING AN INSULATING SEPARATOR COLLAR OVERLAPPING AND SEPARATING SAID COVER RIM FROM SAID CASING JUNCTION REGION, A TUBULAR SECTION OF SAID CASING JUNCTION REGION, A DOUBLE-WALL INWARD CASING PROJECTION WITH NARROW INWARD SEALING EDGE PROTRUDING BEYOND ADJOINING PORTIONS OF SAID PROJECTION TOWARD SAID OPEN CASING END,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |