US3139875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel supply apparatus for internal combustion engine
Assignee: Cummins Inc
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Filing: 1961-08-22
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Granted: 1964-07-07
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Fred W Link
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:08
CPC Classifications
F; F02; F02D; F02D1/00; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0297
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A FUEL SUPPLY APPARATUS FOR A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE, INCLUDING A SOURCE OF FUEL UNDER PRESSURE, DELIVERY MEANS FOR SUPPLYING FUEL TO THE RESPECTIVE CYLINDERS OF THE ENGINE, CONDUIT MEANS CONNECTING SAID SOURCE AND SAID DELIVERY MEANS FOR SUPPLYING FUEL TO THE LATTER, AND MEANS FOR CONTROLLING THE PRESSURE OF THE FUEL AT SAID DELIVERY MEANS COMPRISING SPEED RESPONSIVE MEANS FOR VARIABLY DISCHARGING FUEL FROM SAID CONDUIT MEANS UPSTREAM FROM SAID DELIVERY MEANS, AND MEANS FOR MODIFYING SUCH DISCHARGE ONLY DURING LOW-
Claim 2
Dependent Claim
83 words
A FUEL SUPPLY APPARATUS FOR A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE, INCLUDING A SOURCE OF FUEL UNDER PRESSURE, DELIVERY MEANS FOR SUPPLYING FUEL TO THE RESPECTIVE CYLINDERS OF THE ENGINE, CONDUIT MEANS CONNECTING SAID SOURCE AND SAID DELIVERY MEANS FOR SUPPLYING FUEL TO THE LATTER, AND MEANS FOR CONTROLLING THE PRESSURE OF THE FUEL AT SAID DELIVERY MEANS COMPRISING SPEED RESPONSIVE MEANS FOR VARIABLY DISCHARGING FUEL FROM SAID CONDUIT MEANS UPSTREAM FROM SAID DELIVERY MEANS, AND MEANS FOR MODIFYING SUCH DISCHARGE ONLY DURING LOW-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |