US5907879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High flow steam carpet cleaner
Assignee: Individual
•
Filing: 1996-12-05
•
Granted: 1999-06-01
•
Expires: 2016-12-05
Abstract
Abstract A lightweight portable steam carpet cleaning machine 10 comprised of two main structures, a handle assembly 45 and the recovery tank 12. Connected to the machine are two hoses, the supply hose 58 which supplies clear water to the machine and the discharge hose 60 which takes dirty water away depositing it in a sanitary disposal. A 27 capacity spray jet 44 is used to apply a high volume of clear water to the carpet. A recovery tank 12 which is less than a cubic foot in volume is used to transport the vacuum from the vacuum motor 24 to the water pick-up 56. During the cleaning process, a channel 84 is used to direct extracted water to the bottom of the recovery tank 12. A float switch 36 is used to automatically activate or deactivate the discharge pump 26 during the cleaning process.
Inventors
- 👤 Mike Downey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:06
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4061; A47L11/34; A47L11/4013; A47L11/4016; A47L11/408; A47L11/4083; A47L11/4086; A47L7/00; A47L7/0004; A47L7/0009; A47L7/0023; A47L7/0028; A47L7/0038; A47L7/0042
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
137 words
A high flow carpet cleaning machine for cleaning carpets, comprising: a recovery tank in flow communication with a water pick-up channel; a vacuum source attached to said recovery tank maintaining a partial vacuum in said recovery tank; a discharge pump connected to the interior of said recovery tank; a solenoid valve connected to a water supply and in flow communication with a spray jet; wherein said solenoid valve discharges water through said spray let unto said carpet, said vacuum source removes water from said carpet through said water pick-up channel into said recovery tank and said discharge pump removes water from said recovery tank, said recovery tank being less than 1 cubic foot in volume; and further comprising a float switch on the interior of said recovery tank, said float switch operably connected to said discharge pump.
Claim 2
Dependent Claim
137 words
A high flow carpet cleaning machine for cleaning carpets, comprising: a recovery tank in flow communication with a water pick-up channel; a vacuum source attached to said recovery tank maintaining a partial vacuum in said recovery tank; a discharge pump connected to the interior of said recovery tank; a solenoid valve connected to a water supply and in flow communication with a spray jet; wherein said solenoid valve discharges water through said spray let unto said carpet, said vacuum source removes water from said carpet through said water pick-up channel into said recovery tank and said discharge pump removes water from said recovery tank, said recovery tank being less than 1 cubic foot in volume; and further comprising a float switch on the interior of said recovery tank, said float switch operably connected to said discharge pump.
Claim 3
Dependent Claim
30 words
The float switch of claim 1 wherein said float switch activates said discharge pump when the water level rises to about three inches from the bottom of said recovery tank.
Claim 4
Independent Claim
92 words
A method for high flow steam carpet cleaning, comprised of: providing a recovery tank, said recovery tank being less than one cubic foot in volume; creating a partial vacuum within said recovery tank; said recovery tank being in flow communication with a water pick-up channel; discharging water from said tank by a discharge pump, said discharge pump providing means to remove water from said recovery tank; and, spraying water from a water source at high volume onto said carpet by a spray jet, said volume being at least 1.5 gallons per minute.
Claim 5
Independent Claim
92 words
A method for high flow steam carpet cleaning, comprised of: providing a recovery tank, said recovery tank being less than one cubic foot in volume; creating a partial vacuum within said recovery tank; said recovery tank being in flow communication with a water pick-up channel; discharging water from said tank by a discharge pump, said discharge pump providing means to remove water from said recovery tank; and, spraying water from a water source at high volume onto said carpet by a spray jet, said volume being at least 1.5 gallons per minute.
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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) | 2002-05-31 | 2002-11-30 | 2003-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-05-31 | 2006-11-30 | 2007-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-05-31 | 2010-11-30 | 2011-06-01 | $7700.00 | Window Closed / Lapsed |