US3081373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integral battery multiple cell cover
Assignee: Individual
•
Filing: 1961-05-24
•
Granted: 1963-03-12
•
Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Donald W Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:32
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/30; H01M50/308; H01M50/20; H01M50/256; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1469119A
Cited
US2570123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |