US2980751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric storage battery and case
Assignee: ELECTRO ACID CORP OF NEVADA
•
Filing: 1957-09-20
•
Granted: 1961-04-18
•
Expires: 1977-09-20
Abstract
No abstract record available.
Inventors
- 👤 Charles A Toce
- 👤 Broussard Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:06
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/102; H01M50/112; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1304588A
Cited
US729550A
Cited
US673678A
Cited
US672219A
Cited
US1034003A
Cited
US1091583A
Cited
US1298857A
Cited
GB286863A
Cited
GB505048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |