US3195166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall washing apparatus
Assignee: Individual
•
Filing: 1963-07-24
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Granted: 1965-07-20
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Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 John A Wisner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:08
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4044; A47L11/38; A47L11/408; A47L11/4088
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
242 words
A WALL WASHING APPARATUS COMPRISING MEANS PROVIDING A SOURCE OF CLEANING SOLUTION, MEANS PROVIDING A SOURCE OF WET VACUUM PICKUP, AND A CLEANING HEAD, SAID CLEANING HEAD INCLUDING A DISPENSING MEANS, AN APPLICATOR MEANS, AND A VACUUM MEANS, SAID DISPENSING MEANS BEING OPERATIVELY CONNECTED TO SAID SOURCE OF CLEANING SOLUTION FOR WITHDRAWING A QUANTITY OF SAID CLEANING SOLUTION THEREFROM, SAID APPLICATOR MEANS BEING JUXTAPOSED TO AN OUTLET PORTION OF SAID DISPENSING MEANS FOR SPREADING SAID QUANTITY OF CLEANING SOLUTION IN A LAYER ON A WALL TO BE WASHED, AND SAID VACUUM MEANS BEING IN COMMUNICATION WITH SAID SOURCE OF WET VACUUM PICKUP AND WITH A PORTION OF SAID APPLICATOR MEANS FOR REMOVING SAID LAYER OF CLEANING SOLUTION AND LOOSENED SOIL FROM SAID WALL, SAID APPLICATOR MEANS INCLUDING A SPONGE APPLICATOR HAVING A FRONT SURFACE, A REAR SURFACE, A TOP END, A BOTTOM END, AND OPPOSITELY DISPOSED SIDE SURFACES, SAID SPONGE APPLICATOR BEING DIVIDED INTO TWO SIDE SECTIONS AND AN INTERMEDIATE CENTER SECTION, SAID OUTLET PORTION OF SAID DISPENSING MEANS FEEDING SAID QUANTITY OF SAID CLEANING SOLUTION TO SAID FRONT SURFACE OF SAID CENTER PORTION OF SAID SPONGE APPLICATOR, SAID VACUUM MEANS COMMUNICATING WITH SAID FROANT SURFACE OF SAID SIDE SECTIONS OF SAID SPONGE APPLICATOR TO REMOVE AT LEAST T HE MAJOR PORTION OF SAID LAYER OF CLEANING SOLUTION AND LOOSENED SOIL THEREFROM, AND A FLEXIBLE BARRIER MEMBER INTERPOSED BETWEEN SAID CENTRAL SECTION AND EACH OF SAID SIDE SECTIONS OF SAID SPONGE APPLICATOR.
Claim 2
Dependent Claim
242 words
A WALL WASHING APPARATUS COMPRISING MEANS PROVIDING A SOURCE OF CLEANING SOLUTION, MEANS PROVIDING A SOURCE OF WET VACUUM PICKUP, AND A CLEANING HEAD, SAID CLEANING HEAD INCLUDING A DISPENSING MEANS, AN APPLICATOR MEANS, AND A VACUUM MEANS, SAID DISPENSING MEANS BEING OPERATIVELY CONNECTED TO SAID SOURCE OF CLEANING SOLUTION FOR WITHDRAWING A QUANTITY OF SAID CLEANING SOLUTION THEREFROM, SAID APPLICATOR MEANS BEING JUXTAPOSED TO AN OUTLET PORTION OF SAID DISPENSING MEANS FOR SPREADING SAID QUANTITY OF CLEANING SOLUTION IN A LAYER ON A WALL TO BE WASHED, AND SAID VACUUM MEANS BEING IN COMMUNICATION WITH SAID SOURCE OF WET VACUUM PICKUP AND WITH A PORTION OF SAID APPLICATOR MEANS FOR REMOVING SAID LAYER OF CLEANING SOLUTION AND LOOSENED SOIL FROM SAID WALL, SAID APPLICATOR MEANS INCLUDING A SPONGE APPLICATOR HAVING A FRONT SURFACE, A REAR SURFACE, A TOP END, A BOTTOM END, AND OPPOSITELY DISPOSED SIDE SURFACES, SAID SPONGE APPLICATOR BEING DIVIDED INTO TWO SIDE SECTIONS AND AN INTERMEDIATE CENTER SECTION, SAID OUTLET PORTION OF SAID DISPENSING MEANS FEEDING SAID QUANTITY OF SAID CLEANING SOLUTION TO SAID FRONT SURFACE OF SAID CENTER PORTION OF SAID SPONGE APPLICATOR, SAID VACUUM MEANS COMMUNICATING WITH SAID FROANT SURFACE OF SAID SIDE SECTIONS OF SAID SPONGE APPLICATOR TO REMOVE AT LEAST T HE MAJOR PORTION OF SAID LAYER OF CLEANING SOLUTION AND LOOSENED SOIL THEREFROM, AND A FLEXIBLE BARRIER MEMBER INTERPOSED BETWEEN SAID CENTRAL SECTION AND EACH OF SAID SIDE SECTIONS OF SAID SPONGE APPLICATOR.
Claim 3
Dependent Claim
107 words
IN A CLEANING APPARATUS INCLUDING SPONGE MEANS HAVING A FRONT SURFACE, A REAR SURFACE, AND SIDE SURFACES, A PLURALITY OF CONTINUOUS OPEN VACUUM APERTURES EXTENDING ENTIRELY THROUGH SAID SPONGE MEANS FROM SAID REAR SURFACE TO SAID FRONT SURFACE, AND A VACUUM MEANS OPERATIVELY CONNECTED TO SAID REAR SURFACE TO WITHDRAW FLUID THROUGH SAID APERTURES FROM A SURFACE BEING CLEANED WHICH IS ENGAGED BY SAID FRONT SURFACE OF SAID SPONGE MEANS, THE IMPROVEMENT WHICH COMPRISES TRANSVERSELY EXTENDING CONTINUOUS OPEN RELIEF APERTURES DEFINED BETWEEN AT LEAST SOME OF SAID APERTURES AND EACH SIDE SURFACE OF SAID SPONGE MEANS, SAID RELIEF APERTURES BEING CLOSED BY PRESSURE AGAINST SAID FRONT SURFACE.
Claim 4
Dependent Claim
107 words
IN A CLEANING APPARATUS INCLUDING SPONGE MEANS HAVING A FRONT SURFACE, A REAR SURFACE, AND SIDE SURFACES, A PLURALITY OF CONTINUOUS OPEN VACUUM APERTURES EXTENDING ENTIRELY THROUGH SAID SPONGE MEANS FROM SAID REAR SURFACE TO SAID FRONT SURFACE, AND A VACUUM MEANS OPERATIVELY CONNECTED TO SAID REAR SURFACE TO WITHDRAW FLUID THROUGH SAID APERTURES FROM A SURFACE BEING CLEANED WHICH IS ENGAGED BY SAID FRONT SURFACE OF SAID SPONGE MEANS, THE IMPROVEMENT WHICH COMPRISES TRANSVERSELY EXTENDING CONTINUOUS OPEN RELIEF APERTURES DEFINED BETWEEN AT LEAST SOME OF SAID APERTURES AND EACH SIDE SURFACE OF SAID SPONGE MEANS, SAID RELIEF APERTURES BEING CLOSED BY PRESSURE AGAINST SAID FRONT SURFACE.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |