Patent US5183128A successfully refreshed from Google Patents.
Patent US3200948A successfully refreshed from Google Patents.
US3200948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-icing filtration unit
Assignee: Bendix Corp
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Filing: 1960-10-12
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Granted: 1965-08-17
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Expires: 1980-10-12
Abstract
No abstract record available.
Inventors
- 👤 Kasten Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:17
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D35/147; B01D35/18; F; F02; F02M; F02M37/00; F02M37/22; F02M37/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
A FLUID FILTERING AND HEATER DEVICE COMPRISING A HOUSING HAVING FIRST INLET AN OUTLET PORTS FOR PASSING A FIRST FLUID THERETHROUGH AND SECOND INLET AND OUTLER PORTS FOR PASSING A SECOND FLUID THERETHROUGH, PARTITION MEANS FOR SEPARATING SAID FIRST INLET AND OUTLET PORTS FROM SAID SECOND INLET AND OUTLET PORTS, A FILTER LOCATED IN SAID HOUSING AND INTERPOSED BETWEEN SAID SECOND INLET AND OUTLET PORTS FOR FILTERING SAID SECOND FLUID, A HOLLOW MEMBER LOCATED DOWNSTREAM OF SAID FILTER, A PLEATED ELEMENT LOCATED BETWEEN AND IN CONTACT WITH SAID FILTER AND SAID HOLLOW MEMBER FOR DIVIDING SAID SECOND FLUID INTO RELATIVELY THIN STREAM AFTER SAID SECOND FLUID HAS PASSED THROUGH SAID FILTER, MEANS FOR CLOSING OFF ONE END OF THE TROUGH FORMED BY THE OUTER GROOVES OF THE PLEATED ELEMENT AND CAUSING FLOW OF SAID SECOND FLUID DOWNSTREAM OF SAID FILTER TO BE ALONG ALL OF THE OUTER GROOVES OF SAID PLEATED ELEMENT TOWARDS ONE END OF SAID HOLLOW MEMBER AND THEN ALONG ALL OF THE INNER GROOVES OF SAID PLEATED ELEMENT TOWARDS THE OTHER END OF SAID HOLLOW MEMBER, AND MEANS FOR FLOWING SAID FIRST FLUID INTO AND OUT OF THE HOLLOW PORTION OF SAID MEMBER.
Claim 2
Dependent Claim
196 words
A FLUID FILTERING AND HEATER DEVICE COMPRISING A HOUSING HAVING FIRST INLET AN OUTLET PORTS FOR PASSING A FIRST FLUID THERETHROUGH AND SECOND INLET AND OUTLER PORTS FOR PASSING A SECOND FLUID THERETHROUGH, PARTITION MEANS FOR SEPARATING SAID FIRST INLET AND OUTLET PORTS FROM SAID SECOND INLET AND OUTLET PORTS, A FILTER LOCATED IN SAID HOUSING AND INTERPOSED BETWEEN SAID SECOND INLET AND OUTLET PORTS FOR FILTERING SAID SECOND FLUID, A HOLLOW MEMBER LOCATED DOWNSTREAM OF SAID FILTER, A PLEATED ELEMENT LOCATED BETWEEN AND IN CONTACT WITH SAID FILTER AND SAID HOLLOW MEMBER FOR DIVIDING SAID SECOND FLUID INTO RELATIVELY THIN STREAM AFTER SAID SECOND FLUID HAS PASSED THROUGH SAID FILTER, MEANS FOR CLOSING OFF ONE END OF THE TROUGH FORMED BY THE OUTER GROOVES OF THE PLEATED ELEMENT AND CAUSING FLOW OF SAID SECOND FLUID DOWNSTREAM OF SAID FILTER TO BE ALONG ALL OF THE OUTER GROOVES OF SAID PLEATED ELEMENT TOWARDS ONE END OF SAID HOLLOW MEMBER AND THEN ALONG ALL OF THE INNER GROOVES OF SAID PLEATED ELEMENT TOWARDS THE OTHER END OF SAID HOLLOW MEMBER, AND MEANS FOR FLOWING SAID FIRST FLUID INTO AND OUT OF THE HOLLOW PORTION OF SAID MEMBER.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |