US2666801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric battery and method of making same
Assignee: Individual
•
Filing: 1950-07-14
•
Granted: 1954-01-19
•
Expires: 1970-07-14
Abstract
No abstract record available.
Inventors
- 👤 John A Victoreen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:21
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M6/48
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1401671A
Cited
FR700818A
Cited
FR771012A
Cited
US2154312A
Cited
US2187638A
Cited
US2375875A
Cited
US2463565A
Cited
US2416576A
Cited
US2487985A
Cited
US2536697A
Cited
US2632781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |