US3379574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanic dry-tape cell construction
Assignee: Union Carbide Corp
•
Filing: 1965-04-22
•
Granted: 1968-04-23
•
Expires: 1985-04-22
Abstract
No abstract record available.
Inventors
- 👤 Carl A Grulke
- 👤 Robert A Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:19
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/22; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M6/14; H01M6/18; H01M6/181; H01M6/30; H01M6/36; H01M6/38; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2880259A
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US2987569A
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US2870235A
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US2995614A
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US3004093A
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US3004094A
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US3023259A
Cited
US3260620A
Cited
US3293080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |