Patent US3252401A successfully refreshed from Google Patents.
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
•
Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Tom R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:05
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 |