US3080592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic window washer
Assignee: Individual
•
Filing: 1961-01-23
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Granted: 1963-03-12
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Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Hassage Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:38
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IN AN AUTOMATIC APPARATUS FOR WASHING A COLUMN OF WINDOWS UPON BEING TRAVELLED THEREALONG, THE COMBINATION COMPRISING A FRAME HAVING A LIQUID STORAGE RESERVOIR AT A LOWER PORTION THEREOF, A ROTARY SHAFT MOUNTED IN SAID FRAME IN PARALLEL RELATIONSHIP TO SAID WINDOWS, AT LEAST ONE RESILIENT CLEANING ELEMENT ATTACHED TO SAID SHAFT AND PROJECTING THEREFROM TO CONTACT SAID WINDOWS UPON ROTATION OF SAID SHAFT, A DRIVE MOTOR COUPLED TO SAID SHAFT, A BROAD SEALING ELEMENT CARRIED BY SAID FRAME SUBJACENT SAID SHAFT AND PROJECTING FROM SAID FRAME TO CONTACT SAID WINDOWS ALONG A ZONE AT LEAST EQUAL TO THE ZONE OF CONTACT OF SAID CLEANING ELEMENT THEREWITH, SAID SEALING ELEMENT FORMING A LIQUID FLOW CHANNEL LEADING TO SAID RESERVOIR, A PUMP OPERATED BY SAID DRIVE MOTOR AND HAVING AN INTAKE CONNECTED WITH SAID RESERVOIR, A CONDUIT RECEIVING THE DISCHARGE OF SAID PUMP AND HAVING AN OUTLET POSITIONED TO DIRECT LIQUID TOWARDS SAID CLEANING ELEMENT, AND FILTER MEANS FOR CLEANING LIQUID IN PASSAGE BETWEEN SAID RESERVOIR AND SAID CONDUIT OUTLET.
Claim 2
Dependent Claim
169 words
IN AN AUTOMATIC APPARATUS FOR WASHING A COLUMN OF WINDOWS UPON BEING TRAVELLED THEREALONG, THE COMBINATION COMPRISING A FRAME HAVING A LIQUID STORAGE RESERVOIR AT A LOWER PORTION THEREOF, A ROTARY SHAFT MOUNTED IN SAID FRAME IN PARALLEL RELATIONSHIP TO SAID WINDOWS, AT LEAST ONE RESILIENT CLEANING ELEMENT ATTACHED TO SAID SHAFT AND PROJECTING THEREFROM TO CONTACT SAID WINDOWS UPON ROTATION OF SAID SHAFT, A DRIVE MOTOR COUPLED TO SAID SHAFT, A BROAD SEALING ELEMENT CARRIED BY SAID FRAME SUBJACENT SAID SHAFT AND PROJECTING FROM SAID FRAME TO CONTACT SAID WINDOWS ALONG A ZONE AT LEAST EQUAL TO THE ZONE OF CONTACT OF SAID CLEANING ELEMENT THEREWITH, SAID SEALING ELEMENT FORMING A LIQUID FLOW CHANNEL LEADING TO SAID RESERVOIR, A PUMP OPERATED BY SAID DRIVE MOTOR AND HAVING AN INTAKE CONNECTED WITH SAID RESERVOIR, A CONDUIT RECEIVING THE DISCHARGE OF SAID PUMP AND HAVING AN OUTLET POSITIONED TO DIRECT LIQUID TOWARDS SAID CLEANING ELEMENT, AND FILTER MEANS FOR CLEANING LIQUID IN PASSAGE BETWEEN SAID RESERVOIR AND SAID CONDUIT OUTLET.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |