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US3241679A Expired / Lapsed US ⏱️ 0.0 years remaining

Filter with assembly means for variable length elements

Assignee: SCLAS Corp OF AMERICA
•
Filing: 1962-10-15
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Granted: 1966-03-22
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Expires: 1982-10-15
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Abstract

No abstract record available.

Inventors

  • 👤 Bernard R Walter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:37
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)

US680902A Cited
US1901484A Cited
US2076935A Cited
US2362530A Cited
US2280033A Cited
US2389431A Cited
US2478109A Cited
FR922579A 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

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