US3241679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter with assembly means for variable length elements
Assignee: SCLAS Corp OF AMERICA
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Filing: 1962-10-15
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Granted: 1966-03-22
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Bernard R Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:18
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A FILTER UNIT, A SUPPORT HAVING AN INLET PASSAGE AND A SUBSTANTIALLY CIRCULAR OUTLET PASSAGE, SAID SUPPORT BEING PROVIDED AROUND THE ENTRANCE END OF SAID OUTLET PASSAGE WITH A CIRCULAR SEAT, A ROD EXTENDING FROM SAID SUPPORT THROUGH AND PERPENDICULAR TO SAID SEAT, A CYLINDRICAL, RIGID FILTER ELEMENT SURROUNDING SAID ROD, A PART HAVING A DISC PORTION AND A SLEEVE PORTION EXTENDING AXIALLY FROM SAID DISC, SAID SLEEVE BEING CLOSELY RECEIVED ON SAID ROD WITH SAID SLEEVE EXTENDING TOWARD SAID SUPPORT, A GASKET BETWEEN ONE END OF SAID FILTER ELEMENT AND SAID SEAT AND BETWEEN THE OTHER END OF SAID FILTER ELEMENT AND SAID DISC, MEANS THREADED ON SAID ROD TO ENGAGE AND FORCE SAID DISC TOWARD SAID SEAT AND THEREBY SEAL SAID FILTER ELEMENT BETWEEN THE TWO, A SLIDING SEAL CARRIED BY SAID ROD BETWEE
Claim 2
Dependent Claim
137 words
IN A FILTER UNIT, A SUPPORT HAVING AN INLET PASSAGE AND A SUBSTANTIALLY CIRCULAR OUTLET PASSAGE, SAID SUPPORT BEING PROVIDED AROUND THE ENTRANCE END OF SAID OUTLET PASSAGE WITH A CIRCULAR SEAT, A ROD EXTENDING FROM SAID SUPPORT THROUGH AND PERPENDICULAR TO SAID SEAT, A CYLINDRICAL, RIGID FILTER ELEMENT SURROUNDING SAID ROD, A PART HAVING A DISC PORTION AND A SLEEVE PORTION EXTENDING AXIALLY FROM SAID DISC, SAID SLEEVE BEING CLOSELY RECEIVED ON SAID ROD WITH SAID SLEEVE EXTENDING TOWARD SAID SUPPORT, A GASKET BETWEEN ONE END OF SAID FILTER ELEMENT AND SAID SEAT AND BETWEEN THE OTHER END OF SAID FILTER ELEMENT AND SAID DISC, MEANS THREADED ON SAID ROD TO ENGAGE AND FORCE SAID DISC TOWARD SAID SEAT AND THEREBY SEAL SAID FILTER ELEMENT BETWEEN THE TWO, A SLIDING SEAL CARRIED BY SAID ROD BETWEE
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |