US3440105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Layer-built dry batteries
Assignee: Panasonic Holdings Corp
•
Filing: 1966-02-18
•
Granted: 1969-04-22
•
Expires: 1986-02-18
Abstract
No abstract record available.
Inventors
- 👤 Shohei Yamamoto
- 👤 Jun Watanabe
- 👤 Susumu Hosoi
- 👤 Masahiro Kuwazaki
- 👤 Toshikatsu Takata
- 👤 Naohiro Matsuda
- 👤 Kizo Hidaka
- 👤 Masahisa Nishiguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:26
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M6/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2505835A
Cited
US2521800A
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US2526789A
Cited
US2536697A
Cited
US2658936A
Cited
US2774806A
Cited
US3347709A
Cited
US3370298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |