Patent US3090318A successfully refreshed from Google Patents.
US3090318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric fuel pump
Assignee: ACF Industries Inc
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Filing: 1960-06-13
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Granted: 1963-05-21
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Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles W Jeep
- 👤 Edgar W Niemeyer
- 👤 John B Fitzgerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:57
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D13/086; F04D29/00; F04D29/60; F04D29/605; F04D29/606; F04D29/607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
AN ELECTRIC FUEL PUMP ADAPTED FOR USE IN A FUEL TANK, SAID PUMP COMPRISING A TUBULAR SHEET METAL MOTOR HOUSING HAVING AN END WALL AT ONE END AND BEING ADAPTED TO BE VERTICALLY POSITIONED IN A TANK WITH SAID END WALL UP, SAID HOUSING BEING FORMED TO PROVIDE A DOWNWARDLY FACING SHOULDER INTERMEDIATE ITS UPPER AND LOWER ENDS, AND ELECTRIC MOTOR CONTAINED IN SAID HOUSING COMPRISING A FIELD CORE SECURED IN SAID HOUSING ABOVE SAID SHOULDER, A SHAFT EXTENDING VERTICALLY IN SAID HOUSING AND HAVING AN ARMATURE CORE THEREON ROTATABLE WITHIN SAID FIELD CORE, A BRUSH HOLDER PLATE IN SAID HOUSING ENGAGING SAID SHOULDER, A PARTITION EXTENDING ACROSS SAID HOUSING BELOW SAID HOUSING SHOULDER AND HAVING AN UPWARDLY EXTENDING RIM PORTION ENGAGING AND HOLDING SAID BRUSH HOLDER AGAINST SAID SHOULDER, SAID SHAFT EXTENDING THROUGH SAID BRUSH HOLDER AND SAID PARTITION AND HAVING A COMMUTATOR THEREON, BRUSHES ON SAID HOLDER ENGAGING SAID COMMUTATOR, A PUMP CASING AT THE LOWER END OF SAID HOUSING, AN IMPELLER IN SAID PUMP CASING OPERATIVELY CONNECTED TO SAID SHAFT, AND TANGS STRUCK INWARDLY FROM THE TUBULAR WALL OF SAID HOUSING BELOW AND ADJACENT TO SAID PARTITION, SAID TANGS HAVING INCLINED UPPER EDGES CONTACTING AND WEDGING SAID PARTITION UPWARDLY WHEREBY SAID PARTITION RIM PORTION IS FORCED AGAINST SAID BRUSH HOLDER PLATE.
Claim 2
Dependent Claim
214 words
AN ELECTRIC FUEL PUMP ADAPTED FOR USE IN A FUEL TANK, SAID PUMP COMPRISING A TUBULAR SHEET METAL MOTOR HOUSING HAVING AN END WALL AT ONE END AND BEING ADAPTED TO BE VERTICALLY POSITIONED IN A TANK WITH SAID END WALL UP, SAID HOUSING BEING FORMED TO PROVIDE A DOWNWARDLY FACING SHOULDER INTERMEDIATE ITS UPPER AND LOWER ENDS, AND ELECTRIC MOTOR CONTAINED IN SAID HOUSING COMPRISING A FIELD CORE SECURED IN SAID HOUSING ABOVE SAID SHOULDER, A SHAFT EXTENDING VERTICALLY IN SAID HOUSING AND HAVING AN ARMATURE CORE THEREON ROTATABLE WITHIN SAID FIELD CORE, A BRUSH HOLDER PLATE IN SAID HOUSING ENGAGING SAID SHOULDER, A PARTITION EXTENDING ACROSS SAID HOUSING BELOW SAID HOUSING SHOULDER AND HAVING AN UPWARDLY EXTENDING RIM PORTION ENGAGING AND HOLDING SAID BRUSH HOLDER AGAINST SAID SHOULDER, SAID SHAFT EXTENDING THROUGH SAID BRUSH HOLDER AND SAID PARTITION AND HAVING A COMMUTATOR THEREON, BRUSHES ON SAID HOLDER ENGAGING SAID COMMUTATOR, A PUMP CASING AT THE LOWER END OF SAID HOUSING, AN IMPELLER IN SAID PUMP CASING OPERATIVELY CONNECTED TO SAID SHAFT, AND TANGS STRUCK INWARDLY FROM THE TUBULAR WALL OF SAID HOUSING BELOW AND ADJACENT TO SAID PARTITION, SAID TANGS HAVING INCLINED UPPER EDGES CONTACTING AND WEDGING SAID PARTITION UPWARDLY WHEREBY SAID PARTITION RIM PORTION IS FORCED AGAINST SAID BRUSH HOLDER PLATE.
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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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |