Patent US3187733A successfully refreshed from Google Patents.
US3187733A
Expired / Lapsed
US
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Fuel injection system for internal combustion engines
Assignee: International Motors LLC
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Filing: 1963-08-23
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Granted: 1965-06-08
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Richard P Heintz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:04
CPC Classifications
F; F02; F02M; F02M47/00; F02M47/02; F02M61/00; F02M61/04; F02M61/10; F02M2700/00; F02M2700/07; F02M2700/074; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86501
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2150574A
Cited
US2265534A
Cited
GB526723A
Cited
US2323184A
Cited
US2347363A
Cited
US2916028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |