US2942170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charge regulator
Assignee: Innocenti Societa General per lIndustria Metallurgica e Meccanica
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Filing: 1958-07-08
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Granted: 1960-06-21
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Expires: 1978-07-08
Abstract
No abstract record available.
Inventors
- 👤 Torre Pierluigi
- 👤 Primetti Brenno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:21
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/26; Y; Y10; Y10S; Y10S320/00; Y10S320/22; Y10S320/24
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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |