US2635128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cell
Assignee: Burgess Battery Co
•
Filing: 1949-05-25
•
Granted: 1953-04-14
•
Expires: 1969-05-25
Abstract
No abstract record available.
Inventors
- 👤 Ray D Arbogast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:20
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M50/00; H01M50/10; H01M50/116; H01M50/121; H01M50/131; H01M50/136; H01M50/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AS A NEW ARTICLE, AN ASSEMBLY OF SUPERPOSED THIN WAFER-SHAPED DRY CELL ELEMENTS INCLUDING A POSITIVE ELECTRODE AN A NEGATIVE ELECTODE AT THE OPPOSITE BROAD SURFACES RESPECTIVELY OF SAID ASSEMBLY AND MOIST MIX CAKE AND BIBULOUS SEPARATOR ELEMENTS SANDWICHED BETWEEN SAID ELECTRODES AND EXPOSED AT AN EDGE OF SAID ASSEMBLY, AND AN IMPERFORATE PRIMARY ENVELOPE OF FLEXIBLE, NONCONDUCTIVE SHEET MATERIAL COMPLETELY ENCLOSING SAID ASSEMBLY OF ELEMENTS AND SEALING THE SAME FROM THE ATMOSPHERE, SAID ENVELOPE PROVIDING A MOISTURE-PROOF CLOSURE FOR SAID ASSEMBLY OF CELL ELEMENTS TO MINIMIZE CHANGE FROM THE ORIGINAL CONDITION THEREOF PENDING USE.
Claim 2
Dependent Claim
95 words
AS A NEW ARTICLE, AN ASSEMBLY OF SUPERPOSED THIN WAFER-SHAPED DRY CELL ELEMENTS INCLUDING A POSITIVE ELECTRODE AN A NEGATIVE ELECTODE AT THE OPPOSITE BROAD SURFACES RESPECTIVELY OF SAID ASSEMBLY AND MOIST MIX CAKE AND BIBULOUS SEPARATOR ELEMENTS SANDWICHED BETWEEN SAID ELECTRODES AND EXPOSED AT AN EDGE OF SAID ASSEMBLY, AND AN IMPERFORATE PRIMARY ENVELOPE OF FLEXIBLE, NONCONDUCTIVE SHEET MATERIAL COMPLETELY ENCLOSING SAID ASSEMBLY OF ELEMENTS AND SEALING THE SAME FROM THE ATMOSPHERE, SAID ENVELOPE PROVIDING A MOISTURE-PROOF CLOSURE FOR SAID ASSEMBLY OF CELL ELEMENTS TO MINIMIZE CHANGE FROM THE ORIGINAL CONDITION THEREOF PENDING USE.
References Cited (Backward Citations)
NL47313C
Cited
US1549851A
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US1509650A
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GB206704A
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US1793710A
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US2302846A
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US2307764A
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US2355197A
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GB556907A
Cited
US2519527A
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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) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |