Patent US1599205A successfully refreshed from Google Patents.
US2580596A
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Pressure sensitive engine shutdown device
Assignee: Caterpillar Inc
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Filing: 1949-12-15
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Granted: 1952-01-01
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Expires: 1969-12-15
Abstract
No abstract record available.
Inventors
- 👤 Dale L Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:09
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/02; F04B49/022; F02; F02M; F02M63/00; F02M63/02; F02M63/0205; F02M63/022; Y; Y10; Y10T; Y10T74/00; Y10T74/11
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) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |