US3514341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery cell case with pressure equalizer
Assignee: Eagle Picher Industries Inc
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Filing: 1968-05-31
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Granted: 1970-05-26
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Expires: 1988-05-31
Abstract
No abstract record available.
Inventors
- 👤 Alton L Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:29
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K17/19; F16K15/00; F16K15/14; F16K15/141; F16K15/142; H; H01; H01M; H01M50/00; H01M50/30; H01M6/00; H01M6/50; H01M2200/00; H01M2200/20
Claims Analysis
Total Claims: 0
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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) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |