Patent US2900970A successfully refreshed from Google Patents.
US2900970A
Expired / Lapsed
US
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Single lever control for engine starting mechanism
Assignee: Caterpillar Inc
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Filing: 1958-02-17
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Granted: 1959-08-25
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Expires: 1978-02-17
Abstract
No abstract record available.
Inventors
- 👤 Everett E Sims
- 👤 Peter P Konyha
- 👤 Loren N Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:03
CPC Classifications
F; F02; F02N; F02N15/00; F02N15/02; F02N15/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864; Y10T74/20; Y10T74/20558; Y10T74/20576; Y10T74/20882
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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |