US3218657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam generator for rug scrubbing apparatus
Assignee: Sunbeam Corp
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Filing: 1963-06-25
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Granted: 1965-11-23
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Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Jepson Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:02
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4097; A47L11/32; A47L11/325; A47L11/408; A47L11/4083; A47L11/4088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A FLOOR CONDITIONER OF THE TYPE HAVING A MOTOR DRIVINGLY CONNECTED TO A POLISHING AND SCRUBBING BRUSH AND A FRAME SUPPORTING SAID MOTOR AND A HOUSING THEREFOR, A FOAM GENERATOR COMPRISING A LIQUID RESERVOIR FORMED IN SAID HOUSING, A FAN DRIVEN BY SAID MOTOR FOR DRAWING AIR INTO SAID HOUSING AND THROUGH SAID MOTOR, SAID HOUSING BEING PROVIDED WITH A PLURALITY OF OPENINGS THROUGH WHICH THE AIR FOR COOLING THE MOTOR IS DISCHARGED, AIR CONDUIT MEANS CONNECTED TO ONLY A PORTION OF SAID OPENINGS TO DELIVER A PART OF SAID MOTOR COOLING AIR TO THE BOTTOM OF SAID RESERVOIR BENEATH THE SURFACE OF THE LIQUID CONTAINED IN SAID RESERVOIR TO PRODUCE FOAM
Claim 2
Dependent Claim
113 words
IN A FLOOR CONDITIONER OF THE TYPE HAVING A MOTOR DRIVINGLY CONNECTED TO A POLISHING AND SCRUBBING BRUSH AND A FRAME SUPPORTING SAID MOTOR AND A HOUSING THEREFOR, A FOAM GENERATOR COMPRISING A LIQUID RESERVOIR FORMED IN SAID HOUSING, A FAN DRIVEN BY SAID MOTOR FOR DRAWING AIR INTO SAID HOUSING AND THROUGH SAID MOTOR, SAID HOUSING BEING PROVIDED WITH A PLURALITY OF OPENINGS THROUGH WHICH THE AIR FOR COOLING THE MOTOR IS DISCHARGED, AIR CONDUIT MEANS CONNECTED TO ONLY A PORTION OF SAID OPENINGS TO DELIVER A PART OF SAID MOTOR COOLING AIR TO THE BOTTOM OF SAID RESERVOIR BENEATH THE SURFACE OF THE LIQUID CONTAINED IN SAID RESERVOIR TO PRODUCE FOAM
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |