US3083833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel heater-filter combination
Assignee: Bendix Corp
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Filing: 1959-05-20
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Granted: 1963-04-02
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Expires: 1979-05-20
Abstract
No abstract record available.
Inventors
- 👤 Kasten Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:49
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
157 words
A FUEL FILTERING AND HEATER DEVICE COMPRISING A HOUSING HAVING FIRST INLET AND OUTLET PORTS FOR PASSING A HEATED FLUID THERETHROUGH AND SECOND INLET AND OUTLET PORTS FOR PASSING FUEL THERETHROUGH, MEANS FOR SEPARATING SAID FIRST INLET AND OUTLET PORTS FROM SAID SECOND INLET AND OUTLET PORTS, PASSAGE MEANS FOR COMMUNICATING SAID SECOND INLET AND OUTLET PORTS, A SUBSTANTIALLY CYLINDRICAL FILTER ELEMENT OF GOOD CONDUCTIVITY AND OF THE OUTSIDE-IN TYPE LOCATED IN SAID PASSAGE MEANS FOR FILTERING SAID FUEL BY PERMITTING FLOW THERETHROUGH FROM THE OUTSIDE THEREOF TO THE INSIDE THEREOF, AND A U-SHAPED TUBULAR MEMBER LOCATED WITHIN AND IN CONTACT WITH A SUBSTANTIAL PORTION OF THE LENGTH OF SAID FILTER ELEMENT FOR TRANSFERRING HEAT THROUGH CONDUCTION TO SAID FILTER ELEMENT AND TO THE FUEL FLOWING ALONG SAID TUBULAR MEMBER ON THE INSIDE OF SAID FILTER ELEMENT TO THEREBY PREVENT THE FORMATION OF ICE ON THE FILTER ELEMENT AND IN THE FUEL FLOWING THROUGH SAID FILTER ELEMENT,
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |