US3374775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diesel engine intake and exhaust system
Assignee: Hunt Foods and Industries Inc
•
Filing: 1966-02-14
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Granted: 1968-03-26
•
Expires: 1986-02-14
Abstract
No abstract record available.
Inventors
- 👤 Kenneth F Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:09
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1805; F01N13/1811; F01N13/04; F01N13/08; F01N13/10; F02; F02M; F02M1/00; F02M35/00; F02M35/10; F02M35/10006; F02M35/10026; F02M35/10045; F02M35/10078; F02M35/104; F02M35/112; F02B; F02B3/00; F02B3/06; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4392; F02M35/16; F02M35/164
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19742E
Cited
US1196382A
Cited
US1598891A
Cited
US1933380A
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US2192730A
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FR989818A
Cited
FR1078601A
Cited
US3274981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |