US3022364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric battery
Assignee: Eagle Picher Co
•
Filing: 1957-11-15
•
Granted: 1962-02-20
•
Expires: 1977-11-15
Abstract
No abstract record available.
Inventors
- 👤 Melvin F Chubb
- 👤 James M Dines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:53
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M6/38; H01M6/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US750250A
Cited
CA454393A
Cited
US2282923A
Cited
US2564495A
Cited
GB693191A
Cited
FR1126430A
Cited
US2806895A
Cited
US2824164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |