US3397088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery including inorganic fibrous material
Assignee: McDonnell Douglas Corp
•
Filing: 1964-06-29
•
Granted: 1968-08-13
•
Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Berger Carl
- 👤 Frank C Arrance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:58
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/46; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511887A
Cited
US2531504A
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US2484787A
Cited
US2653985A
Cited
US2669594A
Cited
US2833620A
Cited
US3043898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |