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US3249230A Expired / Lapsed US ⏱️ 0.0 years remaining

Reclamation of dry cleaning fluid

Assignee: BOCK LAUNDRY MACHINE CO
•
Filing: 1962-01-30
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Granted: 1966-05-03
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Expires: 1982-01-30
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Abstract

No abstract record available.

Inventors

  • 👤 John K Clement

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 11:46
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; D06F43/081; D06F43/085

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 313 words
MEANS FOR RECLAIMING DRY CLEANING SOLVENT IN A DRY CLEANING SYSTEM INCLUDING AN EXTRACTOR COMPRISING A HOUSING, A LID FOR SAID HOUSING, SEALING MEANS FOR CONNECTING SAID LID AND SAID HOUSING IN GAS-TIGHT RELATIONSHIP, A MOTOR IN A LOWER PORTION OF SAID HOUSING WITH A VERTICALLY-EXTENDING DRIVE SHAFT, MEANS FOR RESILIENTLY MOUNTING SAID MOTOR WITHIN SAID HOUSING TO ENABLE LATERAL MOVEMENT OF SAID SHAFT, A BASKET HAVING A PERFORATE SIDEWALL AND MEANS TO ENGAGE SAID DRIVE SHAFT, A LIQUID-RECEIVING PAN SUPPORTED BY SAID HOUSING BELOW SAID BASKET AND ABOVE SAID MOTOR, SAID PAN HAVING A CENTRAL OPENING THROUGH WHICH SAID SHAFT EXTENDS, SAID OPENING BEING LARGER THAN SAID SHAFT TO ENABLE THE LATERAL MOVEMENT OF SAID SHAFT, SEALING MEANS CONNECTING SAID SHAFT AND SAID PAN AROUND SAID OPENING, A FILTERING BAG IN SAID BASKET, AND BAG HAVING A HEAVY FABRIC BOTTOM AND A HEAVY FABRIC TOP, SAID TOP HAVING A BAND EXTENDING THEREON, SAID BASKET FORMING A GROOVE AT THE UPPER END IN WHICH THE BAND IS ENGAGED, SAID BAG HAVING A WALL OF FILTERING MATERIAL BETWEEN SAID BOTTOM AND SAID TOP, SAID FILTERING MATERIAL BEING POSITIONED GENERALLY INSIDE SAID PERFORATE SIDEWALL OF SAID BASKET WHEN SAID BAG IS ENGAGED IN SAID BASKET, SAID FILTERING MATERIAL ENABLING DRY CLEANING SOLVENT TO PASS THERETHROUGH WHILE RETAINING SOLID PARTICLES CARRIED BY SOLVENT IN SAID BAG, A SEPARATING TANK ABOVE SAID EXTRACTOR, AN INLET PIPE CONNECTED TO A CENTRAL PORTION OF SAID LID AND SUPPORTING SAID SEPARATING TANK THEREABOVE, SAID INLET PIPE COMMUNICATING WITH A CENTRAL PORTION OF SAI BASKET, SAID SEPARATING TANK HAVING A SLANTED FILTER EXTENDING ACROSS SAID TANK AT AND ANGLE ABOVE SAID PIPE TO COLLECT SOLID PARTICLES FROM SAID SOLVENT, AN INLET FOR SAID SEPARATING TANK ON THE SAME SIDE OF SAID FILTER AS SAID PIPE, AND AN OUTLET FOR SAID SEPARATING TANK ON THE SIDE OF SAI FILTER OPPOSITE SAID PIPE.

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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