Patent JPS53101701A successfully refreshed from Google Patents.
US4472856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivoted duct conversion
Assignee: Hoover Co
•
Filing: 1983-01-31
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Granted: 1984-09-25
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Expires: 2003-01-31
Abstract
Abstract An upright cleaner or the like is provided with a pivoting duct that pivots outwardly of the hood of the cleaner for attachment of a conversion tool. This permits conversion of the upright cleaner to, for example, hose operation.
Inventors
- 👤 Carl W. Goodin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:22
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/32; A47L9/00; A47L9/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
47 words
A nozzle configuration including a covering hood wherein; (a) a duct is disposed in said nozzle and pivotally mounted therein, (b) said duct pivoting out of said hood, and (c) the top surface of said duct, in recessed position, flush with the top surface of said hood.
Claim 2
Dependent Claim
47 words
A nozzle configuration including a covering hood wherein; (a) a duct is disposed in said nozzle and pivotally mounted therein, (b) said duct pivoting out of said hood, and (c) the top surface of said duct, in recessed position, flush with the top surface of said hood.
Claim 3
Dependent Claim
24 words
The nozzle configuration of claim 1 wherein; (a) said pivoted duct includes a finger contactable portion used to initiate pivoting of said pivoted duct.
Claim 4
Dependent Claim
52 words
A nozzle configuration including a convering hood wherein; (a) a duct is disposed in said nozzle and pivotally mounted therein, (b) said duct pivoting out of said hood, and (c) said pivoted duct including an upper wall mounted to the duct having a surface flush with the top surface of said hood.
Claim 5
Dependent Claim
52 words
A nozzle configuration including a convering hood wherein; (a) a duct is disposed in said nozzle and pivotally mounted therein, (b) said duct pivoting out of said hood, and (c) said pivoted duct including an upper wall mounted to the duct having a surface flush with the top surface of said hood.
Claim 6
Dependent Claim
84 words
A nozzle configuration including; (a) a duct, disposed in said nozzle, communicating with the fan of a motor-fan system for said nozzle, (b) said duct also communicating with a suction opening of said nozzle, (c) a converter coupling for attachment to said duct, (d) said duct pivoting upwardly away from said nozzle for conversion purposes and attachment to said converter coupling, and (e) said duct, in a non-pivoted position, having a top wall with a surface flush with a top surface of said nozzle.
Claim 7
Dependent Claim
84 words
A nozzle configuration including; (a) a duct, disposed in said nozzle, communicating with the fan of a motor-fan system for said nozzle, (b) said duct also communicating with a suction opening of said nozzle, (c) a converter coupling for attachment to said duct, (d) said duct pivoting upwardly away from said nozzle for conversion purposes and attachment to said converter coupling, and (e) said duct, in a non-pivoted position, having a top wall with a surface flush with a top surface of said nozzle.
Claim 8
Dependent Claim
40 words
The nozzle configuration of claim 4 wherein; (a) said communication of said duct with said suction opening, formed by said duct substantially abutting end to end with a duct portion disposed forwardly of said duct in the suction opening direction.
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) | 1987-09-25 | 1988-03-26 | 1988-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-25 | 1992-03-26 | 1992-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-25 | 1996-03-26 | 1996-09-25 | $7700.00 | Window Closed / Lapsed |