US3513033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cell
Assignee: Panasonic Holdings Corp
•
Filing: 1968-04-29
•
Granted: 1970-05-19
•
Expires: 1988-04-29
Abstract
No abstract record available.
Inventors
- 👤 Jun Watanabe
- 👤 Susumu Hosoi
- 👤 Masahiro Kuwazaki
- 👤 Tadashi Sawai
- 👤 Hirota Ueno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:22
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/66; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/429; H01M50/50; H01M6/00; H01M6/04; H01M6/06; H01M6/08; H01M50/4295; H01M50/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2551799A
Cited
US2923757A
Cited
US3081372A
Cited
US3314820A
Cited
US3328208A
Cited
US3428494A
Cited
US3329559A
Cited
US3351495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |