US3452210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic starter for automobiles
Assignee: JAMES E STEFFENS
•
Filing: 1966-05-23
•
Granted: 1969-06-24
•
Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Avrum Gray
- 👤 Harry A Wayne
- 👤 James E Steffens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:31
CPC Classifications
F; F02; F02N; F02N11/00; F02N11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3053243A
Cited
US1941433A
Cited
US2131403A
Cited
US2035820A
Cited
US3180997A
Cited
US3220396A
Cited
US3264484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |