US3426523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine with compression braking system
Assignee: EDWARD L STRAUB
•
Filing: 1966-10-26
•
Granted: 1969-02-11
•
Expires: 1986-10-26
Abstract
No abstract record available.
Inventors
- 👤 Edward L Straub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:18
CPC Classifications
F; F01; F01L; F01L13/00; F01L2760/00; F01L2760/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1360122A
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US1289498A
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US2003456A
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US2020923A
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US2201682A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |