US2972000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate sheath for secondary or storage batteries and method for producing same
Assignee: Individual
•
Filing: 1957-01-30
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Granted: 1961-02-14
•
Expires: 1977-01-30
Abstract
No abstract record available.
Inventors
- 👤 Boriolo Lino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:38
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/76; H01M4/765; B; B29; B29C; B29C61/00; B29C61/06; B29C61/0608; B29C61/0658; B29L; B29L2031/00; B29L2031/712; B29L2031/7146; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-14 | 1964-08-15 | 1965-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-14 | 1968-08-15 | 1969-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-14 | 1972-08-15 | 1973-02-14 | $7700.00 | Window Closed / Lapsed |