US3118166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window cleaning device
Assignee: JET BRUSH PRODUCTS Inc
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Filing: 1963-02-11
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Granted: 1964-01-21
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Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Sidney R Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:44
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/002; A47; A47L; A47L1/00; A47L1/06; A47L1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING A TUBULAR HANDLE MEMBER HAVING A REMOVABLE CAP AT ONE END CONTROLLING ADMISSION TO A RESERVOIR IN SAID HANDLE MEMBER, A TUBULAR BODY EXTENDING FROM THE OTHER END OF SAID HANDLE MEMBER, A FITTING ELEMENT MOUNTED ON THE END OF SAID TUBULAR BODY AND COMPRISING AN ANGULARLY EXTENDING CUP-SHAPED EXTENSION, A BRUSH HEAD DETACHABLE FROM SAID EXTENSION, A FLARED TONGUGE ANGULARLY DISPOSED TO SAID EXTENSION, THE HANDLE MEMBER HAVING A TRANSVERSE CYLINDER ADJACENT AND EXTENDING COMPLETELY ACROSS THE SECOND NAMED END THEREOF, SAID CYLINDER HAVING A ONE-DIAMETER BORE OF A LENGTH SUBSTANTIALLY EQUAL TO THE DIAMETER OF SAID RESERVOIR, A MANUALLY OPERATED PISTON IN SAID CYLINDER, A SPRING FOR ACTUATING THE PISTON IN ONE DIRECTION IN SAID CYLINDER, SAID CYLINDER HAVING A VALVE CONTROLLED INTAKE AND A VALVE CONTROLLED DISCHARGE CIRCUMFERENTIALLY SPACED WITH RESPECT TO SAID INTAKE, A TUBE COUPLED WITH SAID DISCHARGE AND SAID FITTING ELEMENT FOR TRANSMITTING LIQUID FROM SAID CYLINDER TO SAID CUP-SHAPED EXTENSION, AND A TUBE IN SAID RESERVOIR EXTENDING FROM THE FIRST NAMED END OF THE HANDLE MEMBER TO SAID VALVE CONTROLLED INLET.
Claim 2
Independent Claim
185 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING A TUBULAR HANDLE MEMBER HAVING A REMOVABLE CAP AT ONE END CONTROLLING ADMISSION TO A RESERVOIR IN SAID HANDLE MEMBER, A TUBULAR BODY EXTENDING FROM THE OTHER END OF SAID HANDLE MEMBER, A FITTING ELEMENT MOUNTED ON THE END OF SAID TUBULAR BODY AND COMPRISING AN ANGULARLY EXTENDING CUP-SHAPED EXTENSION, A BRUSH HEAD DETACHABLE FROM SAID EXTENSION, A FLARED TONGUGE ANGULARLY DISPOSED TO SAID EXTENSION, THE HANDLE MEMBER HAVING A TRANSVERSE CYLINDER ADJACENT AND EXTENDING COMPLETELY ACROSS THE SECOND NAMED END THEREOF, SAID CYLINDER HAVING A ONE-DIAMETER BORE OF A LENGTH SUBSTANTIALLY EQUAL TO THE DIAMETER OF SAID RESERVOIR, A MANUALLY OPERATED PISTON IN SAID CYLINDER, A SPRING FOR ACTUATING THE PISTON IN ONE DIRECTION IN SAID CYLINDER, SAID CYLINDER HAVING A VALVE CONTROLLED INTAKE AND A VALVE CONTROLLED DISCHARGE CIRCUMFERENTIALLY SPACED WITH RESPECT TO SAID INTAKE, A TUBE COUPLED WITH SAID DISCHARGE AND SAID FITTING ELEMENT FOR TRANSMITTING LIQUID FROM SAID CYLINDER TO SAID CUP-SHAPED EXTENSION, AND A TUBE IN SAID RESERVOIR EXTENDING FROM THE FIRST NAMED END OF THE HANDLE MEMBER TO SAID VALVE CONTROLLED INLET.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |