US3504262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for charging the battery which operates the starter motor of an internal combustion engine
Assignee: Sony Corp
•
Filing: 1966-11-16
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Granted: 1970-03-31
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Expires: 1986-11-16
Abstract
No abstract record available.
Inventors
- 👤 Tomohiko Sada
- 👤 Noriyuki Tsuchiya
- 👤 Toru Nishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:59
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/4207; H01M10/44; H01M10/441; H01M16/00; H01R; H01R31/00; H02; H02J; H02J7/00; H02J7/34; H02J7/342; 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) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |