US3021715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor vehicle engine starting apparatus
Assignee: —
•
Filing: —
•
Granted: 1962-02-20
•
Expires: 1979-02-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:07
CPC Classifications
F; F02; F02N; F02N15/00; F02N15/006; F02N15/02; F02N15/04; F02N15/06; F02N15/062; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US799851A
Cited
US1364854A
Cited
US1259829A
Cited
FR904851A
Cited
US2509361A
Cited
US2482534A
Cited
US2770971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |