US2993946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cells
Assignee: RCA Corp
•
Filing: 1957-09-27
•
Granted: 1961-07-25
•
Expires: 1977-09-27
Abstract
No abstract record available.
Inventors
- 👤 Gerald S Lozier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:25
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M4/00; H01M4/02; H01M4/36; H01M4/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2492206A
Cited
US2597454A
Cited
US2597453A
Cited
US2597451A
Cited
US2597452A
Cited
US2616940A
Cited
US2621220A
Cited
US2612535A
Cited
US2612537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |