US2591355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric battery composed of flat elements
Assignee: Piles Wonder SA Ste
•
Filing: 1950-01-03
•
Granted: 1952-04-01
•
Expires: 1970-01-03
Abstract
No abstract record available.
Inventors
- 👤 Heraud Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:33
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE391983C
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FR363135A
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DE727574C
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US2526789A
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US2536698A
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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) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |