US2922833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive safety device
Assignee: ACCUMULATOREN FABRIK AG FA
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Filing: 1956-08-02
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Granted: 1960-01-26
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Expires: 1976-08-02
Abstract
No abstract record available.
Inventors
- 👤 Philipp Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:34
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/14; F16K17/16; H; H01; H01M; H01M6/00; H01M6/50; H01M6/5044; H01M6/505; F16K17/162; F16K17/1626; F16K17/1633; H01M50/00; H01M50/30; H01M50/308; H01M50/342; H01M50/3425; H01M50/394; H01M50/50; H01M50/543; H01M50/552
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) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |