Patent US3192547A successfully refreshed from Google Patents.
US3192547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrubbing machine with cleaning attachment therefor
Assignee: Individual
•
Filing: 1963-10-25
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Granted: 1965-07-06
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Robert E Nahrstedt
- 👤 George R Hickernell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:10
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/38; A47L11/4063; A47L11/4069; A47L11/408; A47L11/4083; A47L11/4088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A CLEANING MACHINE COMPRISING; A CHASSIS; WHEEL MEANS SECURED TO SAID CHASSIS FOR PERMITTING MOVEMENT OF SAID CHASSIS; AN UPRIGHT HANDLE SECURED TO SAID CHASSIS FOR CONTROLLING THE MOVEMENT OF SAID CHASSIS; MEANS ROTATABLY SUPPORTED BY SAID CHASSIS AND ADAPTED TO PERFORM MAINTENANCE OPERATIONS ON A FLOOR; A POWER UNIT ON SAID CHASSIS DRIVINGLY CONNECTED IN SAID FLOOR MAINTAINING MEANS; A TANK CARRIED BY SAID CLEANING MACHINE FOR MOVEMENT THEREWITH AND BEING ADAPTED TO CONTAIN A CLEANING SOLUTION; A HAND UNIT INCLUDING A SHAFT ADAPTED TO SUPPORT VARIOUS TYPES OF ROTARY ELEMENTS, WITH SAID HAND UNIT BEING MOVABLE SEPARATE FROM SAID CHASSIS; AND MEANS INTERCONNECTING SAID HAND UNIT WITH SAID POWER UNIT AND SAID TANK WHEREBY ROTATIVE POWER AND FLUID MAY BE TRANSMITTED TO THE ROTARY ELEMENTS SECURED TO SAID HAND UNIT SHAFT.
Claim 2
Dependent Claim
133 words
A CLEANING MACHINE COMPRISING; A CHASSIS; WHEEL MEANS SECURED TO SAID CHASSIS FOR PERMITTING MOVEMENT OF SAID CHASSIS; AN UPRIGHT HANDLE SECURED TO SAID CHASSIS FOR CONTROLLING THE MOVEMENT OF SAID CHASSIS; MEANS ROTATABLY SUPPORTED BY SAID CHASSIS AND ADAPTED TO PERFORM MAINTENANCE OPERATIONS ON A FLOOR; A POWER UNIT ON SAID CHASSIS DRIVINGLY CONNECTED IN SAID FLOOR MAINTAINING MEANS; A TANK CARRIED BY SAID CLEANING MACHINE FOR MOVEMENT THEREWITH AND BEING ADAPTED TO CONTAIN A CLEANING SOLUTION; A HAND UNIT INCLUDING A SHAFT ADAPTED TO SUPPORT VARIOUS TYPES OF ROTARY ELEMENTS, WITH SAID HAND UNIT BEING MOVABLE SEPARATE FROM SAID CHASSIS; AND MEANS INTERCONNECTING SAID HAND UNIT WITH SAID POWER UNIT AND SAID TANK WHEREBY ROTATIVE POWER AND FLUID MAY BE TRANSMITTED TO THE ROTARY ELEMENTS SECURED TO SAID HAND UNIT SHAFT.
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |