US3494337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intake manifold pressure responsive fuel injection system
Assignee: Borg Warner Corp
•
Filing: 1968-06-24
•
Granted: 1970-02-10
•
Expires: 1988-06-24
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Alderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:06
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0235; Y; Y10; Y10S; Y10S525/00; Y10S525/942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2132445A
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US2659354A
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US2702029A
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US2727504A
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US2751897A
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US2821372A
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US2849999A
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US2841131A
Cited
US3100449A
Cited
US2984232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |