US1781005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric battery system
Assignee: E R GILL BATTERY Co Inc
•
Filing: 1925-08-07
•
Granted: 1930-11-11
•
Expires: 1945-08-07
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Gill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:04
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/70; H01M50/77; Y; Y02; Y02E; Y02E60/00; Y02E60/10
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) | 1933-11-10 | 1934-05-12 | 1934-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-11-10 | 1938-05-12 | 1938-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-11-10 | 1942-05-12 | 1942-11-11 | $7700.00 | Window Closed / Lapsed |