US5123945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust collecting container for a dust collector
Assignee: Individual
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Filing: 1991-11-12
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Granted: 1992-06-23
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Expires: 2011-11-12
Abstract
Abstract A dust collecting container attached to the tapered casing of a dust collector for collecting dust taken therein through a suction hose by means of the operation of a forced-draft fan permitting clean air current to be exhausted to the outside through an exhaust pipe, said dust collecting container having an inlet hole at the top connected the peripheral bottom edge of said tapered casing, through which dust is collected inside said dust collecting container, and a conical flange projecting downwards inwards for guiding dust from said inlet hole into the holding space inside said dust collecting container and for prohibiting dust from floating out of said dust collecting container.
Inventors
- 👤 Pi-Hui Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:44
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; B04; B04C; B04C5/00; B04C5/14; B04C5/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A dust collecting container attached to the tapered casing of a dust collector to collect dust sucked therein through a suction hose by means of the operation of a forced-draft fan permitting clean air current to be exhaust to the outside by an exhaust pipe, characterized in that said dust collecting container has an inlet hole at the top connected the peripheral bottom edge of said tapered casing, through which dust is collected inside said dust collecting container, and a conical flange projecting downwards inwards for guiding dust from said inlet hole into the holding space inside said dust collecting container and for prohibiting dust from floating out of said dust collecting container.
Claim 2
Dependent Claim
113 words
A dust collecting container attached to the tapered casing of a dust collector to collect dust sucked therein through a suction hose by means of the operation of a forced-draft fan permitting clean air current to be exhaust to the outside by an exhaust pipe, characterized in that said dust collecting container has an inlet hole at the top connected the peripheral bottom edge of said tapered casing, through which dust is collected inside said dust collecting container, and a conical flange projecting downwards inwards for guiding dust from said inlet hole into the holding space inside said dust collecting container and for prohibiting dust from floating out of said dust collecting container.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-06-23 | 1995-12-23 | 1996-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-23 | 1999-12-23 | 2000-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-23 | 2003-12-23 | 2004-06-23 | $7700.00 | Window Closed / Lapsed |