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US3249228A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1963-03-13
•
Granted: 1966-05-03
•
Expires: 1983-03-13
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Abstract

No abstract record available.

Inventors

  • 👤 Arvanitakis Kostas Savas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:26
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/02; B01D24/04; B01D29/00; B01D29/01; B01D29/05; B01D29/07; Y; Y10; Y10S; Y10S55/00; Y10S55/12

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 419 words
A FILTER FOR REJUVENATING A DRY CLEANING SOLUTION COMPRISING, IN COMBINATION, A TANK HAVING AN INLET NEAR THE UPPER PORTION OF THE TANK AND AN OUTER NEAR THE LOWER PORTION OF THE TANK, A MOUNTING LEDGE FIXED TO THE INTERIOR OF THE TANK ADJACENT TO THE UPPER PORTION OF THE TANK, A RESILIENT WIRE MESH HAVING A PLURALITY OF PLANE MEMBERS ATTACHED TO EACH OTHER AND HAVING ITS OUTER PERIPHERY FIXED TO THE MOUNTING LEDGE TO SEPARATE THE INLET AND THE OUTLET OF THE TANK, A PLURALITY OF STOP MEANS MOUNTED IN THE TANK ADJACENT TO THE PLANE MEMBERS FOR ENGAGEMENT WITH THE PLANE MEMBERS TO LIMIT IN ONE DIRECTION DISPLACEMENT OF THE PLANE MEMBERS, A CONTINUOUS FELT PAD CONFORMING IN SHAPE TO THE SURFACE OF THE WIRE MESH ADJACENT TO THE INLET, A RESILIENT PLANE SUPPORT MEMBER FIXED TO THE UPPER PORTION OF THE PAD AND OVERLAPPING THE MOUNTING LEDGE, SAID RESILIENT PLANE SUPPORT MEMBER HAVING A PLURALITY OF APERTURES CONTAINED THEREIN TO- ALKLOW THE DRY CLEANING SOLUTION TO PASS THROUGH THE SUPPORT MEMBER AND TO ENTER THE SPACE BETWEEN PLANE MEMBERS OF THE FELT PAD, A SEALING BLOCK IN ENGAGEMENT WITH THE OUTER PERIPHERY OF THE SUPPORT MEMBER, A TOP FIXED TO SAID TANK FOR CLOSING THE TANK AND ENGAGING THE SEALING BLOCK FOR HOLDING THE SUPPORT MEMBER AND FELT PAD IN SEALING ENGAGEMENT WITH THE MOUNTING LEDGE, A COOLING TUBE MOUNTED IN THE TANK FOR COOLING THE DRY CLEANING SOLUTION AS IT PASSES THROUGH THE TANK, AND ACTIVATED CHARCOAL CONTAINED IN EACH SPACE BETWEEN ADJACENT PLANE MEMBERS AND THE SUPPORT MEMBER, WHEREBY A DRY CLEANING SOLUTION UNDER PRESSURE IS INTRODUCED INTO THE TANK THROUGH THE INLET AND TURBULENCE OF THE DRY CLEANING SOLUTION CAUSES THE ACTIVATED CHARCOAL PARTICLES TO BECOME SUSPENDED TO ALLOW THE ACTIVATED CHARCOAL PARTICLES TO ABSORB FOREIGN MATERIALS IN SOLUTION WITH THE DRY CLEANING SOLUTION AND ANY FOREIGN PARTICLES IN THE DRY CLEANING SOLUTION ARE TRAPPED ON THE INLET SIDE OF THE FELT PAD AS THE DRY CLEANING SOLUTION PASSES THROUGH THE FELT PAD AND THE WIRE MESH IS DISPLACED AND PLACED INTO ENGAGEMENT WITH THE STOP MEANS, AND RELEASE OF THE PRESSURE ALLOWS THE WIRE MESH TO SPRING BACK TO ITS NORMAL POSITION TO CLEAR THE FELT PAD OF FOREIGN PARTICLES TRAPPED ON THE SURFACE OF THE FELT PAD ADJACENT TO THE INLET AND TO REMOVE ACTIVATED CHARCOAL PARTICLES FROM THE SURFACE OF THE FELT PAD, THEREBY BREAKING UP ANY FILMS OF WAX OR GREASE WHICH MAY FORM ON THE ACTIVATED CHARCOAL.

References Cited (Backward Citations)

GB189605822A Cited
US1737313A Cited
US2081353A Cited
US2329356A Cited
US2410371A Cited
US2495488A Cited
US2593227A Cited
US2907408A Cited
US2853154A Cited
US3019127A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-05-02 1969-11-01 1970-05-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-02 1973-11-01 1974-05-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-02 1977-11-01 1978-05-03 $7700.00 Window Closed / Lapsed

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