Patent US4493718A successfully refreshed from Google Patents.
US4493718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint spray filter system
Assignee: CHEMCO MANUFACTURING Co Inc A CORP OF IL
•
Filing: 1983-03-31
•
Granted: 1985-01-15
•
Expires: 2003-03-31
Abstract
Abstract A paint spray filter for use in a paint spray booth. The filter comprises a grid having a plurality of vertical and horizontal members, attachment means secured to the grid extending upwardly and outwardly therefrom, and a sheet of fiberglass filter material. The fiberglass filter material has a first face substantially covering the grid and being secured thereto by the attachment means, and a fully exposed second face. Support means extending from the edges of the grid are adapted to cooperate with the frame members of the paint spray booth for maintaining the paint spray filter in the booth.
Inventors
- 👤 Randy Schweizer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:19
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/10; B05; B05B; B05B14/00; B05B14/40; B05B14/43; Y; Y10; Y10S; Y10S55/00; Y10S55/46
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
351 words
A paint spray filter for use in a paint spray booth characterized by a pair of substantially parallel side panels, an end panel interconnecting said side panels, a top panel overlying said side panels and said end panel, means defining access to said booth from the front of said booth, and frame means disposed intermediate said end panel and said access, comprising: a grid comprising a plurality of parallel vertical members including a first pair of said vertical members defining the vertical edges of said grid and being substantially twenty-four inches apart, and a second pair of said vertical members being located substantially twelve inches apart and substantially six inches from respective ones of said first pair of said vertical members; a plurality of parallel horizontal members including a first pair of said horizontal members defining the horizontal edges of said grid, and being substantially thirty-six inches apart, and a second pair of said horizontal members being located substantially eighteen inches apart and substantially six inches from respective ones of said first pair of said vertical members, and another one of said horizontal members located substantially midway between said second pair of said horizontal members; a plurality of attachment spikes secured to said grid, extending outwardly and upwardly therefrom, four of said spikes being located at the intersections of said second pair of said vertical members and said second pair of horizontal members, and two of said spikes being located at the intersections of said second pair of said vertical members and said other one of said horizontal members; a sheet of fiberglass filter material having a first face substantially covering said grid and being secured thereto by said attachment spikes, and a fully exposed second face; and support means extending from the corners of said grid and adapted to cooperate with said frame means of said booth for maintaining said paint spray filter in said booth, whereby said paint spray filter defines a barrier separating said booth into an exhaust area located between said barrier and said end panel, and a spraying area located between said barrier and said access.
Claim 2
Dependent Claim
351 words
A paint spray filter for use in a paint spray booth characterized by a pair of substantially parallel side panels, an end panel interconnecting said side panels, a top panel overlying said side panels and said end panel, means defining access to said booth from the front of said booth, and frame means disposed intermediate said end panel and said access, comprising: a grid comprising a plurality of parallel vertical members including a first pair of said vertical members defining the vertical edges of said grid and being substantially twenty-four inches apart, and a second pair of said vertical members being located substantially twelve inches apart and substantially six inches from respective ones of said first pair of said vertical members; a plurality of parallel horizontal members including a first pair of said horizontal members defining the horizontal edges of said grid, and being substantially thirty-six inches apart, and a second pair of said horizontal members being located substantially eighteen inches apart and substantially six inches from respective ones of said first pair of said vertical members, and another one of said horizontal members located substantially midway between said second pair of said horizontal members; a plurality of attachment spikes secured to said grid, extending outwardly and upwardly therefrom, four of said spikes being located at the intersections of said second pair of said vertical members and said second pair of horizontal members, and two of said spikes being located at the intersections of said second pair of said vertical members and said other one of said horizontal members; a sheet of fiberglass filter material having a first face substantially covering said grid and being secured thereto by said attachment spikes, and a fully exposed second face; and support means extending from the corners of said grid and adapted to cooperate with said frame means of said booth for maintaining said paint spray filter in said booth, whereby said paint spray filter defines a barrier separating said booth into an exhaust area located between said barrier and said end panel, and a spraying area located between said barrier and said access.
Claim 3
Dependent Claim
26 words
The paint spray filter defined in claim 1 wherein said supports are rubber fittings adapted to be frictionally maintained against said frame means in said booth.
References Cited (Backward Citations)
US2850269A
Cited
US3218784A
Cited
US3280984A
Cited
GB1228872A
Cited
DE2020056A1
Cited
US4321064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-15 | 1988-07-16 | 1989-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-15 | 1992-07-16 | 1993-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-15 | 1996-07-16 | 1997-01-15 | $7700.00 | Window Closed / Lapsed |