Patent US5867863A successfully refreshed from Google Patents.
US5867863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust bag housing door with final filtration compartment
Assignee: Panasonic Corp of North America
•
Filing: 1997-08-14
•
Granted: 1999-02-09
•
Expires: 2017-08-14
Abstract
Abstract A vacuum cleaner is provided including a nozzle assembly and a handle pivotally connected to the nozzle assembly. The handle includes a cavity for holding a fan and motor assembly and a dust bag. A main door on the handle is operable to gain access to the dust bag in the cavity. A final filtration compartment is carried on the main door. The final filtration compartment includes a separate access door that is received in the front face of the main door and fits flush therewith.
Inventors
- 👤 Michael J. McCormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:07
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/12; A47L9/122
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
63 words
A vacuum cleaner, comprising: a nozzle assembly; a handle pivotally connected to said nozzle assembly, said handle including a cavity; a fan and motor assembly mounted in said cavity; a dust bag held in said cavity; a main door on said handle operable to gain access to said dust bag in said cavity; and a final filtration compartment carried on said main door.
Claim 2
Dependent Claim
63 words
A vacuum cleaner, comprising: a nozzle assembly; a handle pivotally connected to said nozzle assembly, said handle including a cavity; a fan and motor assembly mounted in said cavity; a dust bag held in said cavity; a main door on said handle operable to gain access to said dust bag in said cavity; and a final filtration compartment carried on said main door.
Claim 3
Dependent Claim
23 words
The vacuum cleaner of claim 1, wherein said final filtration compartment includes an access door and a recess for holding a filter cartridge.
Claim 4
Dependent Claim
20 words
The vacuum cleaner of claim 2, wherein said access door is received in a front face of said main door.
Claim 5
Dependent Claim
24 words
The vacuum cleaner of claim 3, wherein said access door includes an exhaust vent providing communication between said final filtration compartment and the environment.
Claim 6
Dependent Claim
27 words
The vacuum cleaner of claim 4, wherein said final filtration compartment includes an inlet in fluid communication therewith to receive exhaust from said fan and motor assembly.
References Cited (Backward Citations)
US4202070A
Cited
US4545794A
Cited
US4443235A
Cited
US4669641A
Cited
US4959885A
Cited
US5090083A
Cited
US5297311A
Cited
US5467502A
Cited
DE4240172A1
Cited
US5373607A
Cited
US5500978A
Cited
US5500979A
Cited
US5690713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-02-08 | 2002-08-10 | 2003-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-02-08 | 2006-08-10 | 2007-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-02-08 | 2010-08-10 | 2011-02-09 | $7700.00 | Window Closed / Lapsed |