US2992289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current-producing cell device and method of generating current
Assignee: G&WH Corson Inc
•
Filing: 1957-05-10
•
Granted: 1961-07-11
•
Expires: 1977-05-10
Abstract
No abstract record available.
Inventors
- 👤 William F Meyers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:06
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M6/38; H01M6/14; H01M6/145
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US750250A
Cited
US1182759A
Cited
US1401671A
Cited
USRE21100E
Cited
US2384463A
Cited
US2502723A
Cited
US2433024A
Cited
US2543106A
Cited
US2594879A
Cited
US2615931A
Cited
US2610985A
Cited
US2863933A
Cited
US2810776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |