US3567033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable filtering device
Assignee: EMM PRODUCTIONS BV
•
Filing: 1967-10-11
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Granted: 1971-03-02
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Expires: 1987-10-11
Abstract
Abstract A disposable conical filtering device having gauze covered openings is characterized by structure providing a more rigid and efficient filtering device which is more convenient in use and which is particularly adapted for straining paint or the like.
Inventors
- 👤 James P Whelan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:13
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/085; B01D2201/00; B01D2201/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1074; Y10T156/1075; Y10T156/1077
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
118 words
A disposable filtering device comprising a conical-shaped member made from a blank of flexible sheet material, said blank having similarly curved convex and concave upper and lower edges respectively, the outer upper edges of the concave edge of the blank having arcuate projections and being overlapped and adhesively coated to form a bulbular adhesive seam adjacent the upper edge of the device tapering to a Narrow adhesive coated seam extended from the bulbular area to the apex of the conical shaped member, said member provided with at least one gauze covered opening through which the filtered material may be passed, said wide bulbular adhesive band serving to deter the deterioration of the adhesive by the material being filtered.
Claim 2
Dependent Claim
118 words
A disposable filtering device comprising a conical-shaped member made from a blank of flexible sheet material, said blank having similarly curved convex and concave upper and lower edges respectively, the outer upper edges of the concave edge of the blank having arcuate projections and being overlapped and adhesively coated to form a bulbular adhesive seam adjacent the upper edge of the device tapering to a Narrow adhesive coated seam extended from the bulbular area to the apex of the conical shaped member, said member provided with at least one gauze covered opening through which the filtered material may be passed, said wide bulbular adhesive band serving to deter the deterioration of the adhesive by the material being filtered.
Claim 3
Dependent Claim
29 words
A disposable filtering device as defined in claim 1, wherein the upper end of the conical member is provided with opposed handles extending from and integral with said member.
References Cited (Backward Citations)
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US752019A
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US1048546A
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US2109624A
Cited
US2200512A
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US2187769A
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Cited
US3444791A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |