US3547700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state battery cells
Assignee: Melpar Inc
•
Filing: 1969-03-12
•
Granted: 1970-12-15
•
Expires: 1989-03-12
Abstract
No abstract record available.
Inventors
- 👤 Frank E Swindells
- 👤 William R Lanier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:30
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/18; H01M6/182
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2696513A
Cited
US3134698A
Cited
US3375135A
Cited
US3455742A
Cited
US3443997A
Cited
US3463670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |