US2714290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device for internal combustion engines
Assignee: HUMBLE PIPE LINE Co
•
Filing: 1951-06-16
•
Granted: 1955-08-02
•
Expires: 1971-06-16
Abstract
No abstract record available.
Inventors
- 👤 Rachuig Walter Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:20
CPC Classifications
F; F02; F02D; F02D17/00; F02D17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1386608A
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US1846654A
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US1896459A
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US2175866A
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GB536805A
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US2397986A
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US2435343A
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US2467685A
Cited
US2612145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |