Patent US2040255A successfully refreshed from Google Patents.
US2040255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric battery
Assignee: Individual
•
Filing: 1934-09-11
•
Granted: 1936-05-12
•
Expires: 1954-09-11
Abstract
No abstract record available.
Inventors
- 👤 Gordon Christian Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:52
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M50/00; H01M50/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-05-12 | 1939-11-11 | 1940-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-12 | 1943-11-11 | 1944-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-12 | 1947-11-11 | 1948-05-12 | $7700.00 | Window Closed / Lapsed |