US3236383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel pump
Assignee: ACF Industries Inc
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Filing: 1962-06-08
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Granted: 1966-02-22
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Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Russell F Smith
- 👤 William A Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:15
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4388; F02M2700/439
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A FUEL PUMP COMPRISING A SHEET METAL PUMP HOUSING, A FLEXIBLE DIAPHRAGM SEALED ACROSS SAID HOUSING TO FORM A PUMPING CHAMBER THEREWITH, MEANS FOR ACTUATING SAID DIAPHRAGM FOR PUMPING FUEL THROUGH SAID PUMPING CHAMBER, A PLURALTIY OF APERTURES IN SAID HOUSING, A FIRST CUP-SHAPED SHEET METAL MEMBER HAVING AN OPEN END. SAID OPEN END BEING SEALED AROUND ONE OF SAID APERTURES IN SAID HOUSING, AN INLET VALVE ASSEMBLY FITTED ACROSS SAID FIRST CUP-SHAPED MEMBER, AND INLET FITTING IN FLUID COMMUNICATION WITH SAID FIRST CUP-SHAPED MEMBER UPSTREAM OF SAID INLET VALVE ASSEMBLY, A SECOND SHEET METAL CUP-SHAPED MEMBER HAVING AN OPEN END, SAID OPEN END BEING SEALED AROUND ANOTHER OF SAID APERTURES IN SAID HOUSING, AN OUTLET VALVE ASSEMBLY FITTED ACROSS SAID SEC
Claim 2
Dependent Claim
122 words
A FUEL PUMP COMPRISING A SHEET METAL PUMP HOUSING, A FLEXIBLE DIAPHRAGM SEALED ACROSS SAID HOUSING TO FORM A PUMPING CHAMBER THEREWITH, MEANS FOR ACTUATING SAID DIAPHRAGM FOR PUMPING FUEL THROUGH SAID PUMPING CHAMBER, A PLURALTIY OF APERTURES IN SAID HOUSING, A FIRST CUP-SHAPED SHEET METAL MEMBER HAVING AN OPEN END. SAID OPEN END BEING SEALED AROUND ONE OF SAID APERTURES IN SAID HOUSING, AN INLET VALVE ASSEMBLY FITTED ACROSS SAID FIRST CUP-SHAPED MEMBER, AND INLET FITTING IN FLUID COMMUNICATION WITH SAID FIRST CUP-SHAPED MEMBER UPSTREAM OF SAID INLET VALVE ASSEMBLY, A SECOND SHEET METAL CUP-SHAPED MEMBER HAVING AN OPEN END, SAID OPEN END BEING SEALED AROUND ANOTHER OF SAID APERTURES IN SAID HOUSING, AN OUTLET VALVE ASSEMBLY FITTED ACROSS SAID SEC
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |