Patent US4640220A successfully refreshed from Google Patents.
US4640220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint booth assembly
Assignee: Electropainting Sales Pty Ltd
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Filing: 1985-09-09
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Granted: 1987-02-03
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Expires: 2005-09-09
Abstract
Abstract A spray booth assembly, having a plurality of spray chambers being rotatable about an axis, said chambers containing spray heads and sealing sleeves, and being in communication with duct means and blower means causing an air stream to pass through each chamber.
Inventors
- 👤 Spyros Fallas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:10
CPC Classifications
B; B05; B05B; B05B16/00; B05B16/90; B05B16/95; B05B16/20; Y; Y10; Y10S; Y10S118/00; Y10S118/07
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
56 words
A spray booth assembly having a vertically extending housing with a generally vertically extending peripheral surface defining a plurality of vertically extending spray chambers, said chambers being angularly spaced about a generally vertical axis, and means rotatably supporting said housing for rotation about said axis, each of said chambers opening radially outwardly relative to said axis.
Claim 2
Dependent Claim
56 words
A spray booth assembly having a vertically extending housing with a generally vertically extending peripheral surface defining a plurality of vertically extending spray chambers, said chambers being angularly spaced about a generally vertical axis, and means rotatably supporting said housing for rotation about said axis, each of said chambers opening radially outwardly relative to said axis.
Claim 3
Dependent Claim
28 words
The assembly of claim 1, further including duct means extending from each chamber and communicating with means to cause an air stream to pass therethrough from each chamber.
Claim 4
Dependent Claim
79 words
The assembly of claim 2 wherein said duct means extends horizontally radially inwardly from each duct and selectively communicates with a central exhaust passage, and said assembly further includes a door movable between a first position closing the duct communicating with a selected one of said vertical chambers and a second position allowing communication between the selected duct and said central exhaust passage, with said selected vertical chamber being positioned to enable a spray head to move vertically therethrough.
Claim 5
Dependent Claim
25 words
The assembly of claim 1, further including a sleeve telescopically located within each chamber and movable vertically in order to sealingly close its associated chamber.
References Cited (Backward Citations)
US2930345A
Cited
US3029776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-02-02 | 1990-08-04 | 1991-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-02 | 1994-08-04 | 1995-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-02 | 1998-08-04 | 1999-02-03 | $7700.00 | Window Closed / Lapsed |