US3254769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel pump filter combination
Assignee: Motors Liquidation Co
•
Filing: 1962-10-16
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Granted: 1966-06-07
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Expires: 1982-10-16
Abstract
No abstract record available.
Inventors
- 👤 Gerald W Mcarthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:37
CPC Classifications
F; F02; F02M; F02M1/00; B; B01; B01D; B01D35/00; B01D35/005; B01D35/26; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4388; F02M2700/439
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A FUEL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, SAID SYSTEM COMPRISING A SOURCE OF FUEL, AN ENGINE, AND A COMBINATION UNIT HAVING A PUMP BODY AND A FILTER CONTAINER DIRECTLY AND DETACHABLY FIXED TO SAID BODY, SAID BODY HAVING AN INLET CHAMBER CONNECTED TO SAID SOURCE, A PUMP CHAMBER AND AN INTERMEDIATE OUTLET CHAMBER CONNECTED TO THE DISCHARGE SIDE OF SAID PUMP, SAID PUMP CHAMBER CONNECTED TO THE INLET CHAMBER AND THE OUTLET CHAMBER BY MEANS OF ONE-WAY VALVES, SAID OUTLET CHAMBER ALSO COMMUNICATING WITH SAID FILTER CONTAINER TO FORM A FLOW PATH, AND A DISCHARGE OUTLET CONNECTED TO SAID ENGINE, A PASSAGE IN SAID BODY CONNECTING SAID FILTER CONTAINER TO SAID BODY DISCHARGE OUTLET. A PERMANENTLY OPEN RELATIVELY RESTRICTED BLEED HOLE IN SAID BODY CONNECTING SAID FILTER CONTAINER TO SAID BODY INLET CHAMBER, AND A FILTER ELEMENT IN SAID FILTER CONTAINER TRAVERSING SAID FLOW PATH IN THE LATTER LEADING FROM SAID INTERMEDIATE OUTLET CHAMBER TO SAID PASSAGE.
Claim 2
Dependent Claim
158 words
A FUEL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, SAID SYSTEM COMPRISING A SOURCE OF FUEL, AN ENGINE, AND A COMBINATION UNIT HAVING A PUMP BODY AND A FILTER CONTAINER DIRECTLY AND DETACHABLY FIXED TO SAID BODY, SAID BODY HAVING AN INLET CHAMBER CONNECTED TO SAID SOURCE, A PUMP CHAMBER AND AN INTERMEDIATE OUTLET CHAMBER CONNECTED TO THE DISCHARGE SIDE OF SAID PUMP, SAID PUMP CHAMBER CONNECTED TO THE INLET CHAMBER AND THE OUTLET CHAMBER BY MEANS OF ONE-WAY VALVES, SAID OUTLET CHAMBER ALSO COMMUNICATING WITH SAID FILTER CONTAINER TO FORM A FLOW PATH, AND A DISCHARGE OUTLET CONNECTED TO SAID ENGINE, A PASSAGE IN SAID BODY CONNECTING SAID FILTER CONTAINER TO SAID BODY DISCHARGE OUTLET. A PERMANENTLY OPEN RELATIVELY RESTRICTED BLEED HOLE IN SAID BODY CONNECTING SAID FILTER CONTAINER TO SAID BODY INLET CHAMBER, AND A FILTER ELEMENT IN SAID FILTER CONTAINER TRAVERSING SAID FLOW PATH IN THE LATTER LEADING FROM SAID INTERMEDIATE OUTLET CHAMBER TO SAID PASSAGE.
References Cited (Backward Citations)
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |