Patent US2296778A successfully refreshed from Google Patents.
US2296778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery assembly
Assignee: Individual
•
Filing: 1939-05-24
•
Granted: 1942-09-22
•
Expires: 1959-05-24
Abstract
No abstract record available.
Inventors
- 👤 Benjamin D Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:47
CPC Classifications
F; F21; F21L; F21L23/00; F21L4/00; F21L4/08; F21L4/085; F21V; F21V31/00; F21V31/03; H; H01; H01M; H01M10/00; H01M10/06; H01M10/12; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
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) | 1945-09-21 | 1946-03-23 | 1946-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-21 | 1950-03-23 | 1950-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-21 | 1954-03-23 | 1954-09-22 | $7700.00 | Window Closed / Lapsed |