US3432152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection system
Assignee: FRANK B SWEENEY
•
Filing: 1966-03-25
•
Granted: 1969-03-11
•
Expires: 1986-03-25
Abstract
No abstract record available.
Inventors
- 👤 Frank B Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:27
CPC Classifications
F; F02; F02M; F02M69/00; F02M69/44; F02M55/00; F02M55/007; F02M69/16; F02M69/18; F02M69/22; F02M69/24; F02M69/30; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/3099
Claims Analysis
Total Claims: 0
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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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |