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US3178255A Expired / Lapsed US ⏱️ 0.0 years remaining

Air treatment device

Assignee: Fragrance Process Co Inc
•
Filing: 1962-12-03
•
Granted: 1965-04-13
•
Expires: 1982-12-03
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred A Neuwald
  • 👤 William F Donovan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 08:21
CPC Classifications
F; F24; F24F; F24F8/00; F24F8/20; F24F8/22; F24F8/50

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 233 words
A FLUID TREATMENT DEVICE COMPRISING A HOUSING, A PARTITION WALL DIVIDING SAID HOUSING INTO A FILTERING CHAMBER AND A VAPORIZING CHAMBER AND INCLUDING AN OPENING COMMUNICATING SAID FILTERING CHAMBER WITH SAID VAPORIZING CHAMBER, AN INLET DISPOSED AT ONE END OF SAID FILTERING CHAMBER, A FILTERING ELEMENT DISPOSED IN SAID CHAMBER EXTENDING THEREACROSS, FAN MEANS IN SAID FILTERING CHAMBER ARRANGEMENT TO DRAW FLUID INTO SAID INLET AND THROUGH SAID FILTERING ELEMENT AND TO DISCHARGE SAID FLUID THROUGH THE PARTITION WALL OPENING INTO SAID VAPORIZING CHAMBER, A DISCHARGE OPENING DEFINED IN SAID HOUSING AT THE LOCATION OF SAID VAPORIZING CHAMBER, MEANS IN SIAD VAPORIZING CHAMBER FOR VAPORIZING A LIQUID IN CONTROLLED AMOUNTS TO ADD VAPOR TO THE AIR AS IT IS CIRCULATED BY SAID FAN MEANS, AND SEPARATE CONTROL MEANS FOR INDEPENDENTLY OPERATING SAID VAPORIZING MEANS AND SAID FANS MEANS, SAID VAPORIZING MEANS INCLUDES MEANS FOR SUPPORTING A VAPORIZABLE LIQUID CONTAINER IN AN INVERTED POSITION, A FLEXIBLE TUBULAR ELEMENT CONNECTED TO SAID SUPPORTING MEANS INCLUDING A CENTRAL PORTION ADAPTED TO COMMUNICATE WITH THE INTERIOR OF THE CONTAINER HELD ON SAID SUPPORTING MEANS, AND A PORTION EXTENDING AT AN ANGLE THERETO, AN ENDLESS CHAIN EXTENDING THROUGH SAID FLEXIBLE TUBULAR ELEMENT AT THE PORTION EXTENDING AT AN ANGLE TO SAID CENTRAL PORTION, AND MEANS FOR ROTATING SAID CHAIN AT SELECTIVE SPEEDS WHEREBY TO PICK UP A MEASURED QUANTITY OF VAPORIZABLE FLUID AND REMOVE IT FROM SAID CONTAINER.
Claim 2
Dependent Claim 233 words
A FLUID TREATMENT DEVICE COMPRISING A HOUSING, A PARTITION WALL DIVIDING SAID HOUSING INTO A FILTERING CHAMBER AND A VAPORIZING CHAMBER AND INCLUDING AN OPENING COMMUNICATING SAID FILTERING CHAMBER WITH SAID VAPORIZING CHAMBER, AN INLET DISPOSED AT ONE END OF SAID FILTERING CHAMBER, A FILTERING ELEMENT DISPOSED IN SAID CHAMBER EXTENDING THEREACROSS, FAN MEANS IN SAID FILTERING CHAMBER ARRANGEMENT TO DRAW FLUID INTO SAID INLET AND THROUGH SAID FILTERING ELEMENT AND TO DISCHARGE SAID FLUID THROUGH THE PARTITION WALL OPENING INTO SAID VAPORIZING CHAMBER, A DISCHARGE OPENING DEFINED IN SAID HOUSING AT THE LOCATION OF SAID VAPORIZING CHAMBER, MEANS IN SIAD VAPORIZING CHAMBER FOR VAPORIZING A LIQUID IN CONTROLLED AMOUNTS TO ADD VAPOR TO THE AIR AS IT IS CIRCULATED BY SAID FAN MEANS, AND SEPARATE CONTROL MEANS FOR INDEPENDENTLY OPERATING SAID VAPORIZING MEANS AND SAID FANS MEANS, SAID VAPORIZING MEANS INCLUDES MEANS FOR SUPPORTING A VAPORIZABLE LIQUID CONTAINER IN AN INVERTED POSITION, A FLEXIBLE TUBULAR ELEMENT CONNECTED TO SAID SUPPORTING MEANS INCLUDING A CENTRAL PORTION ADAPTED TO COMMUNICATE WITH THE INTERIOR OF THE CONTAINER HELD ON SAID SUPPORTING MEANS, AND A PORTION EXTENDING AT AN ANGLE THERETO, AN ENDLESS CHAIN EXTENDING THROUGH SAID FLEXIBLE TUBULAR ELEMENT AT THE PORTION EXTENDING AT AN ANGLE TO SAID CENTRAL PORTION, AND MEANS FOR ROTATING SAID CHAIN AT SELECTIVE SPEEDS WHEREBY TO PICK UP A MEASURED QUANTITY OF VAPORIZABLE FLUID AND REMOVE IT FROM SAID CONTAINER.

References Cited (Backward Citations)

US2244180A Cited
US2732501A Cited
US2308138A Cited
US2312730A Cited
US2361663A Cited
US2664604A Cited
US2662332A Cited
US2758412A Cited
US3071828A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-12 1968-10-12 1969-04-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-12 1972-10-12 1973-04-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-12 1976-10-12 1977-04-13 $7700.00 Window Closed / Lapsed

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