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US3252401A Expired / Lapsed US ⏱️ 0.0 years remaining

Paint spray booth apparatus and method

Assignee: American Air Filter Co Inc
•
Filing: 1961-12-22
•
Granted: 1966-05-24
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Expires: 1981-12-22
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Abstract

No abstract record available.

Inventors

  • 👤 Tom R Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 09:26
CPC Classifications
B; B05; B05B; B05B14/00; B05B14/40; B05B14/43; B05B16/00; B05B16/90; Y; Y10; Y10S; Y10S55/00; Y10S55/46

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 108 words
A METHOD OF FILTERING PAINT OVERSPRAY FROM A CONFINED AIR STREAM IN WHICH ARTICLE PAINTING OPERATIONS ARE CONDUCTED COMPRISING THE STEPS OF (A) SUPPORTING AN ARTICLE FOR PAINTING OPERATIONS IN A CONFINED AIR STREAM PATH, PROGRESSIVELY REMOVING FILTER MEDIUM FROM A DRY SUPPLY ZONE INTO AND THROUGH A PATH EXTENDING ACROSS SUBSTANTIALLY ALL OF SAID CONFINED AIR STREAM DOWNSTREAM OF SAID ARTICLE PAINTING OPERATIONS AND IN UNINTERRUPTED COMMUNICATION THEREWITH TO FILTER OUT PAINT OVERSPRAY FROM SAID AIR STREAM, AND (B) PROGRESSIVELY COLLECTING THE EXPOSED FILTER MEDIUM, CARRYING PAINT OVERSPRAY IN IT, INTO A DISCHARGE ZONE CONTAINING A FIRE RESISTANT LIQUID BATH INTO WHICH THE MEDIUM PASSES FOR DISPOSAL.
Claim 2
Independent Claim 108 words
A METHOD OF FILTERING PAINT OVERSPRAY FROM A CONFINED AIR STREAM IN WHICH ARTICLE PAINTING OPERATIONS ARE CONDUCTED COMPRISING THE STEPS OF (A) SUPPORTING AN ARTICLE FOR PAINTING OPERATIONS IN A CONFINED AIR STREAM PATH, PROGRESSIVELY REMOVING FILTER MEDIUM FROM A DRY SUPPLY ZONE INTO AND THROUGH A PATH EXTENDING ACROSS SUBSTANTIALLY ALL OF SAID CONFINED AIR STREAM DOWNSTREAM OF SAID ARTICLE PAINTING OPERATIONS AND IN UNINTERRUPTED COMMUNICATION THEREWITH TO FILTER OUT PAINT OVERSPRAY FROM SAID AIR STREAM, AND (B) PROGRESSIVELY COLLECTING THE EXPOSED FILTER MEDIUM, CARRYING PAINT OVERSPRAY IN IT, INTO A DISCHARGE ZONE CONTAINING A FIRE RESISTANT LIQUID BATH INTO WHICH THE MEDIUM PASSES FOR DISPOSAL.

References Cited (Backward Citations)

US1797248A Cited
US1982639A Cited
US2227481A Cited
US2232561A Cited
US2752003A Cited
US2807330A Cited
US2841073A Cited
US2795288A Cited
US2875680A Cited
GB871355A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-05-23 1969-11-22 1970-05-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-23 1973-11-22 1974-05-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-23 1977-11-22 1978-05-24 $7700.00 Window Closed / Lapsed

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