Patent US4699641A successfully refreshed from Google Patents.
US4699641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support tray for disposable filter bag
Assignee: SINGER ACQUISITION HOLDINGS COMPANY 8 STAMFORD FORUM STAMFORD CT 06904 A DE CORP
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Filing: 1986-09-29
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Granted: 1987-10-13
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Expires: 2006-09-29
Abstract
Abstract A disposable filter bag accommodating tray insertable through an opening in a vacuum cleaner includes a front wall closing the cleaner opening and features absence of a tray rear wall permitting rearrangement of bag shape during tray withdrawl to minimize bag rupture and easy bag disposal by simply inverting the tray.
Inventors
- 👤 James F. Barnes, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:17
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1427; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
169 words
In a vacuum cleaner having a housing enclosing a dirt collecting compartment, and a motor blower unit associated with said housing for producing a vacuum therein, said housing being formed with an access opening communicating with said compartment the improvement comprising, a tray insertable into said compartment through said access opening, including: a front wall complemental in size and shape to that of said access opening, said front wall including means defining an inlet opening into said compartment for accommodating a dirt collecting nozzle, sidewalls and a bottom wall each joined at one extremity to said tray front wall and each extending from said front wall to a free extremity, and retaining means on said tray for sustaining a disposable dirt collecting bag on said bottom wall and between said sidewalls in operative registration with said inlet opening whereby modification of the shape of a filled dirt collecting bag sustained on said tray by said retaining means is unimpeded during withdrawal of said tray through said compartment access opening.
Claim 2
Dependent Claim
169 words
In a vacuum cleaner having a housing enclosing a dirt collecting compartment, and a motor blower unit associated with said housing for producing a vacuum therein, said housing being formed with an access opening communicating with said compartment the improvement comprising, a tray insertable into said compartment through said access opening, including: a front wall complemental in size and shape to that of said access opening, said front wall including means defining an inlet opening into said compartment for accommodating a dirt collecting nozzle, sidewalls and a bottom wall each joined at one extremity to said tray front wall and each extending from said front wall to a free extremity, and retaining means on said tray for sustaining a disposable dirt collecting bag on said bottom wall and between said sidewalls in operative registration with said inlet opening whereby modification of the shape of a filled dirt collecting bag sustained on said tray by said retaining means is unimpeded during withdrawal of said tray through said compartment access opening.
Claim 3
Dependent Claim
37 words
In the vacuum cleaner as set forth in claim 1 the improvement in which said sidewalls and bottom wall of said tray are latticed to maximize air flow from a dirt collecting bag sustained on said tray.
Claim 4
Dependent Claim
26 words
In the vacuum cleaner as set forth in claim 1 the improvement in which said dirt collecting bag retaining means is arranged inside said front wall.
Claim 5
Dependent Claim
55 words
In the vacuum cleaner as set forth in claim 3 the improvement in which a latch means is provided on said tray for retaining said front wall in place closing said compartment access opening, and in which a handle and a latch release means are provided on said front wall exterior beneath said inlet opening.
References Cited (Backward Citations)
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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) | 1990-10-12 | 1991-04-13 | 1991-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-12 | 1995-04-13 | 1995-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-12 | 1999-04-13 | 1999-10-13 | $7700.00 | Window Closed / Lapsed |