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US3846307A Expired / Lapsed US ⏱️ 0.0 years remaining

Filter housing with removable diaphragm and seal means therefor

Assignee: AMF Inc
•
Filing: 1973-06-25
•
Granted: 1974-11-05
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Expires: 1993-06-25
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Abstract

Abstract 1. IN A FILTER, THE NOVEL COMBINATION COMPRISING: A COVER MEMBER AND A SUMP MEMBER FORMING A HOUSING FOR THE FULTER, EACH OF SAID MEMBERS HAVING AN OPEN END; A RIGID DIAPHRAGM SUPPORTED ON THE OPEN END OF SAID SUMP MEMBER DIVIDING THE SPACE WITHIN THE FORMED HOUSING INTO TWO SEPARATE CHAMBERS; ANNULAR SEAL MEANS ENCIRCLING SAID DIAPHRAGM AND WHEN PLACED UNDER COMPRESSION HOLDING SAID DIAPHARGM AGAINST MOVEMENT AND SIMULTANEOUSLY SEALING AGAINST LEAKAGE FROM SAID HOUSING BETWEEN SAID MEMBERS AND FROM ONE OF SAID CHAMBERS TO THE OTHER BETWEEN SAID HOUSING AND DIAPHRAGM; AND CLAMP MEANS RELEASABLY CONNECTING THE OPEN ENDS OF SAID MEMBERS TOGETHER AND PLACING SAID ANNULAR SEAL MEANS UNDER COMPRESSION BETWEEN SAID MEMBERS WHEN CONNECTED TOGETHER BY SAID CLAMP MEANS.

Inventors

  • 👤 R Petrucci
  • 👤 A Schnick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 00:16
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/30; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/50; B01D29/52; B01D2201/00; B01D2201/04; B01D2201/043; B01D2201/0446; B01D2201/30; B01D2201/301; B01D2201/302; B01D2201/34

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 122 words
IN A FILTER, THE NOVEL COMBINATION COMPRISING: A COVER MEMBER AND A SUMP MEMBER FORMING A HOUSING FOR THE FULTER, EACH OF SAID MEMBERS HAVING AN OPEN END; A RIGID DIAPHRAGM SUPPORTED ON THE OPEN END OF SAID SUMP MEMBER DIVIDING THE SPACE WITHIN THE FORMED HOUSING INTO TWO SEPARATE CHAMBERS; ANNULAR SEAL MEANS ENCIRCLING SAID DIAPHRAGM AND WHEN PLACED UNDER COMPRESSION HOLDING SAID DIAPHARGM AGAINST MOVEMENT AND SIMULTANEOUSLY SEALING AGAINST LEAKAGE FROM SAID HOUSING BETWEEN SAID MEMBERS AND FROM ONE OF SAID CHAMBERS TO THE OTHER BETWEEN SAID HOUSING AND DIAPHRAGM; AND CLAMP MEANS RELEASABLY CONNECTING THE OPEN ENDS OF SAID MEMBERS TOGETHER AND PLACING SAID ANNULAR SEAL MEANS UNDER COMPRESSION BETWEEN SAID MEMBERS WHEN CONNECTED TOGETHER BY SAID CLAMP MEANS.
Claim 2
Dependent Claim 122 words
IN A FILTER, THE NOVEL COMBINATION COMPRISING: A COVER MEMBER AND A SUMP MEMBER FORMING A HOUSING FOR THE FULTER, EACH OF SAID MEMBERS HAVING AN OPEN END; A RIGID DIAPHRAGM SUPPORTED ON THE OPEN END OF SAID SUMP MEMBER DIVIDING THE SPACE WITHIN THE FORMED HOUSING INTO TWO SEPARATE CHAMBERS; ANNULAR SEAL MEANS ENCIRCLING SAID DIAPHRAGM AND WHEN PLACED UNDER COMPRESSION HOLDING SAID DIAPHARGM AGAINST MOVEMENT AND SIMULTANEOUSLY SEALING AGAINST LEAKAGE FROM SAID HOUSING BETWEEN SAID MEMBERS AND FROM ONE OF SAID CHAMBERS TO THE OTHER BETWEEN SAID HOUSING AND DIAPHRAGM; AND CLAMP MEANS RELEASABLY CONNECTING THE OPEN ENDS OF SAID MEMBERS TOGETHER AND PLACING SAID ANNULAR SEAL MEANS UNDER COMPRESSION BETWEEN SAID MEMBERS WHEN CONNECTED TOGETHER BY SAID CLAMP MEANS.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-04 1978-05-06 1978-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-04 1982-05-06 1982-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-04 1986-05-06 1986-11-05 $7700.00 Window Closed / Lapsed

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