US3253789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle for spouting away deposited substances from surfaces and walls
Assignee: Werkspoor NV
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Filing: 1964-07-15
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Granted: 1966-05-31
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Expires: 1984-07-15
Abstract
No abstract record available.
Inventors
- 👤 Johan F Witte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:57
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/30; B05B1/32; B05B1/323
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A NOZZLE FOR SPOUTING AWAY DEPOSITED SUBSTANCES FROM SURFACESA AND WALLS, COMPRISING A BODY HAVING A TUBULAR BOTTOM PORTION CLOSED AT ITS TOP BY AN UPPER PORTION WHICH IS ELONGATED IN A DIRECTION TRANSVERSE TO THE AXIS OF SAID BOTTOM PORTION AND EXTENDS BEYOND OPPOSITE SIDES THEREOF, SAID UPPER PORTION HAVING AN ELONGATED TROUGHLIKE CHANNEL THEREIN OPENING THROUGH ITS TOP TO FORM A NOZZLE MOUTH, AT LEAST ONE OPENING THROUGH A WALL OF SAID CHANNEL COMMUNICATING WITH THE BORE OF SAID TUBULAR BOTTOM PORTION, AND AN ELONGATED STRIP OF ELASTIC MATERIAL LYING LONGITUDINALLY AND AGAINST THE BOTTOM OF SAID CHANNEL IN SUCH A MANNER THAT A FREE PORTION OF THE STRIP COVERS BUT IS MOVABLE AWAY FROM SAID OPENING BY THE FORCE OF A JET OF PRESSURE LIQUID THERETHROUGH TO PERMIT EMERGENCE OF THE JET THROUGH SAID MOUTH.
Claim 2
Dependent Claim
138 words
A NOZZLE FOR SPOUTING AWAY DEPOSITED SUBSTANCES FROM SURFACESA AND WALLS, COMPRISING A BODY HAVING A TUBULAR BOTTOM PORTION CLOSED AT ITS TOP BY AN UPPER PORTION WHICH IS ELONGATED IN A DIRECTION TRANSVERSE TO THE AXIS OF SAID BOTTOM PORTION AND EXTENDS BEYOND OPPOSITE SIDES THEREOF, SAID UPPER PORTION HAVING AN ELONGATED TROUGHLIKE CHANNEL THEREIN OPENING THROUGH ITS TOP TO FORM A NOZZLE MOUTH, AT LEAST ONE OPENING THROUGH A WALL OF SAID CHANNEL COMMUNICATING WITH THE BORE OF SAID TUBULAR BOTTOM PORTION, AND AN ELONGATED STRIP OF ELASTIC MATERIAL LYING LONGITUDINALLY AND AGAINST THE BOTTOM OF SAID CHANNEL IN SUCH A MANNER THAT A FREE PORTION OF THE STRIP COVERS BUT IS MOVABLE AWAY FROM SAID OPENING BY THE FORCE OF A JET OF PRESSURE LIQUID THERETHROUGH TO PERMIT EMERGENCE OF THE JET THROUGH SAID MOUTH.
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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |