US3151071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter unit
Assignee: Bendix Corp
•
Filing: 1962-05-14
•
Granted: 1964-09-29
•
Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Kasten Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:41
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/44; B01D29/46; B01D25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A FILTER UNIT COMPRISING A TUBE HAVING A PLURALITY OF PORTS THEREIN, A PLURALITY OF WASHER-LIKE ELEMENTS IN REGISTERED FACE-TO-FACE CONTACT LOCATED WITHIN SAID TUBE TO FORM A TUBULAR MEMBER HAVING RADIALLY EXTENDING PORES BETWEEN SAID WASHER-LIKE ELEMENTS FOR PERMITTING FLOW OF FLUID THERETHROUGH FROM OUTSIDE SAID TUBULAR MEMBER TO INSIDE SAID TUBULAR MEMBER, MEANS FORWARD ON AND EXTENDING ALONG THE FULL LENGTH OF TH EINTERNAL SURFACE OF SAID TUBE FOR MAINTAINING ALL OF SAID WASHER-LIKE ELEMENTS IN PROPER ALIGNMENT, NIPPLE-LIKE MEANS LOCATED AT ONE END OF SAID TUBE AND HAVING A CONICAL SURFACE FORMED THEREON IN ABUTMENT WITH ONE END OF SAID TUBULAR MEMBER, RETAINING MEANS LOCATED AT THE OTHER END OF SAID TUBE, MOVABLE ENDPLATE MEANS LOCATED WITHIN SID TUBE AND HAVING A CONICAL SURFACE FORMED THEREON IN ABUTMENT WITH THE OTHER END OF SAID TUBULAR MEMBER, SAID CONICAL SURFACES OF SAID NIPPLE-LIKE MEANS AND ENDPLATE MEANS BEING ARRANGED TO CAUSE THE OUTER EDGES OF SAID WASHERLIKE ELEMENTS TO BE COMPARED MORE TIGHTLY THAN THE INNER EDGES THEREOF, AND RESILIENT MEANS CONFINED WITHIN SAID TUBE BETWEEN SAID RETAINING MEANS AND SAID ENDPLATE MEANS FOR URGING SAID ENDPLATE AGAINST SAID TUBULAR MEMBER.
Claim 2
Dependent Claim
193 words
A FILTER UNIT COMPRISING A TUBE HAVING A PLURALITY OF PORTS THEREIN, A PLURALITY OF WASHER-LIKE ELEMENTS IN REGISTERED FACE-TO-FACE CONTACT LOCATED WITHIN SAID TUBE TO FORM A TUBULAR MEMBER HAVING RADIALLY EXTENDING PORES BETWEEN SAID WASHER-LIKE ELEMENTS FOR PERMITTING FLOW OF FLUID THERETHROUGH FROM OUTSIDE SAID TUBULAR MEMBER TO INSIDE SAID TUBULAR MEMBER, MEANS FORWARD ON AND EXTENDING ALONG THE FULL LENGTH OF TH EINTERNAL SURFACE OF SAID TUBE FOR MAINTAINING ALL OF SAID WASHER-LIKE ELEMENTS IN PROPER ALIGNMENT, NIPPLE-LIKE MEANS LOCATED AT ONE END OF SAID TUBE AND HAVING A CONICAL SURFACE FORMED THEREON IN ABUTMENT WITH ONE END OF SAID TUBULAR MEMBER, RETAINING MEANS LOCATED AT THE OTHER END OF SAID TUBE, MOVABLE ENDPLATE MEANS LOCATED WITHIN SID TUBE AND HAVING A CONICAL SURFACE FORMED THEREON IN ABUTMENT WITH THE OTHER END OF SAID TUBULAR MEMBER, SAID CONICAL SURFACES OF SAID NIPPLE-LIKE MEANS AND ENDPLATE MEANS BEING ARRANGED TO CAUSE THE OUTER EDGES OF SAID WASHERLIKE ELEMENTS TO BE COMPARED MORE TIGHTLY THAN THE INNER EDGES THEREOF, AND RESILIENT MEANS CONFINED WITHIN SAID TUBE BETWEEN SAID RETAINING MEANS AND SAID ENDPLATE MEANS FOR URGING SAID ENDPLATE AGAINST SAID TUBULAR MEMBER.
References Cited (Backward Citations)
US1793583A
Cited
FR987457A
Cited
US2550070A
Cited
US2810482A
Cited
US2811218A
Cited
US2932398A
Cited
GB841818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |