Patent US2974658A successfully refreshed from Google Patents.
US2974658A
Expired / Lapsed
US
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Starting mechanism for an internal combustion engine
Assignee: Individual
•
Filing: 1958-10-23
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Granted: 1961-03-14
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Expires: 1978-10-23
Abstract
No abstract record available.
Inventors
- 👤 Robert B Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:14
CPC Classifications
F; F02; F02N; F02N5/00; F02N5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2875851A
Cited
US836365A
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US1936554A
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US1864256A
Cited
US1962962A
Cited
US2568136A
Cited
US2767808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |