Patent US3176339A successfully refreshed from Google Patents.
US3176339A
Expired / Lapsed
US
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Carpet or the like shampooing apparatus
Assignee: Chiswick Products Ltd
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Filing: 1963-08-20
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Granted: 1965-04-06
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Expires: 1983-08-20
Abstract
No abstract record available.
Inventors
- 👤 Mcdonald William John
- 👤 Cook William Francis
- 👤 Raffe Joseph Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:10
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/32; A47L11/325; A47L11/4036; A47L11/4072; A47L11/4083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
AN APPLIANCE FOR SHAMPOOING CARPETS OF THE TYPE SET FORTH COMPRISING A TANK FOR LIQUID DETERGENT, A VALVE TO CONTROL DISCHARGE OF LIQUID DOWNWARDLY FROM SAID TANK CONTROL MEANS TO ADJUST SAID VALVE, WALLS DOWNWARDLY DIRECTED FROM SAID TANK, ROLLER MEANS CARRIED BY WAY OF SAID WALLS TO SUPPORT THE APPLIANCE FOR ROLLING MOVEMENT OVER THE CARPET, AT LEAST ONE ELONGATED BRUSH EXTENDING SUBSTANTIALLY PARALLEL WITH THE AXIS OF SAID ROLLER MEANS AND SPACED FROM THE CYLINDRICAL SURFACE THEREOF, AND GUIDE MEANS TO RECEIVE LIQUID DISCHARGED FROM SAID TANK AND DIRECT SUCH LIQUID OUT OF CONTACT WITH SAID ROLLER MEANS AND ON TO SAID BRUSH IN THE REGION OF THE BRISTLE ROOTS SO THAT BRISTLE AGITATION IN USE FOAMS DETERGENT PRIOR TO ITS APPLICATIONM VIA SAID BRUSH TO THE CARPET.
Claim 2
Dependent Claim
130 words
AN APPLIANCE FOR SHAMPOOING CARPETS OF THE TYPE SET FORTH COMPRISING A TANK FOR LIQUID DETERGENT, A VALVE TO CONTROL DISCHARGE OF LIQUID DOWNWARDLY FROM SAID TANK CONTROL MEANS TO ADJUST SAID VALVE, WALLS DOWNWARDLY DIRECTED FROM SAID TANK, ROLLER MEANS CARRIED BY WAY OF SAID WALLS TO SUPPORT THE APPLIANCE FOR ROLLING MOVEMENT OVER THE CARPET, AT LEAST ONE ELONGATED BRUSH EXTENDING SUBSTANTIALLY PARALLEL WITH THE AXIS OF SAID ROLLER MEANS AND SPACED FROM THE CYLINDRICAL SURFACE THEREOF, AND GUIDE MEANS TO RECEIVE LIQUID DISCHARGED FROM SAID TANK AND DIRECT SUCH LIQUID OUT OF CONTACT WITH SAID ROLLER MEANS AND ON TO SAID BRUSH IN THE REGION OF THE BRISTLE ROOTS SO THAT BRISTLE AGITATION IN USE FOAMS DETERGENT PRIOR TO ITS APPLICATIONM VIA SAID BRUSH TO THE CARPET.
References Cited (Backward Citations)
US2976559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |