Patent US5561537A successfully refreshed from Google Patents.
US5069696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shop vac having external exhaust filter
Assignee: Individual
•
Filing: 1990-11-28
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Granted: 1991-12-03
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Expires: 2010-11-28
Abstract
Abstract A shop type vacuum cleaner including an externally mounted filter including a filter housing including a filter element and an elongated inlet tube slidably received within an exhaust outlet opening from the vacuum cleaner debris compartment.
Inventors
- 👤 Anthony R. Bruno, III
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:32
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/12; A47L9/127; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/365; Y; Y10; Y10S; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
96 words
A shop type vacuum cleaner including an externally mounted filter comprising in combination: a shop type vacuum cleaner of the type having an exhaust outlet from an internal compartment in which debris is collected; an exhaust filter mounted to the vacuum cleaner at said exhaust outlet, said exhaust filter including a filter housing having an inlet communicating with a filter element in the housing and an elongated inlet tube having an inlet passage communicating with the inlet and; adapter means for adapting said inlet tube for receipt in different size exhaust outlets of the vacuum cleaner.
Claim 2
Dependent Claim
96 words
A shop type vacuum cleaner including an externally mounted filter comprising in combination: a shop type vacuum cleaner of the type having an exhaust outlet from an internal compartment in which debris is collected; an exhaust filter mounted to the vacuum cleaner at said exhaust outlet, said exhaust filter including a filter housing having an inlet communicating with a filter element in the housing and an elongated inlet tube having an inlet passage communicating with the inlet and; adapter means for adapting said inlet tube for receipt in different size exhaust outlets of the vacuum cleaner.
Claim 3
Dependent Claim
55 words
The combination shop type vacuum cleaner and exhaust filter as defined in claim 1 including at least one inlet adapter member including an opening sized to slidable receive said inlet tube, said at least one inlet tube adapter member adapted to be received in a different size exhaust outlet associated with different shop vacuum cleaners.
Claim 4
Dependent Claim
30 words
The combination shop type vacuum cleaner and exhaust filter as defined in claim 1 wherein said inlet tube is externally stepped having a smaller diameter portion at a free end.
Claim 5
Dependent Claim
165 words
A shop type vacuum cleaner including an externally mounted exhaust filter comprising in combination: a shop type vacuum cleaner of the type having an exhaust outlet from an internal debris collection compartment; and a filter including a housing having a bottom wall, a perforated side wall around a peripheral edge of the bottom wall defining a filter outlet, a cover removable mounted to said side wall defining an internal filter cavity, an inlet opening in the bottom wall opening into said filter cavity, a filter element in the filter cavity surrounding said opening into said filter cavity, an entrance side of the filter element exposed to said inlet opening into said cavity, an exit side of the filter element exposed to said outlet perforations in the side wall and an elongated inlet tube mounted to the bottom wall of the filter housing and communicating with said inlet opening into said filter cavity, said inlet tube slidable received in said exhaust outlet from said debris compartment.
Claim 6
Dependent Claim
165 words
A shop type vacuum cleaner including an externally mounted exhaust filter comprising in combination: a shop type vacuum cleaner of the type having an exhaust outlet from an internal debris collection compartment; and a filter including a housing having a bottom wall, a perforated side wall around a peripheral edge of the bottom wall defining a filter outlet, a cover removable mounted to said side wall defining an internal filter cavity, an inlet opening in the bottom wall opening into said filter cavity, a filter element in the filter cavity surrounding said opening into said filter cavity, an entrance side of the filter element exposed to said inlet opening into said cavity, an exit side of the filter element exposed to said outlet perforations in the side wall and an elongated inlet tube mounted to the bottom wall of the filter housing and communicating with said inlet opening into said filter cavity, said inlet tube slidable received in said exhaust outlet from said debris compartment.
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) | 1994-12-02 | 1995-06-03 | 1995-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-02 | 1999-06-03 | 1999-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-02 | 2003-06-03 | 2003-12-03 | $7700.00 | Window Closed / Lapsed |