Patent US3072346A successfully refreshed from Google Patents.
US3072346A
Expired / Lapsed
US
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Spray nozzle
Assignee: Spraying Systems Co
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Filing: 1961-09-29
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Granted: 1963-01-08
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Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Fred W Wahlin
- 👤 Edward J O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:00
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/28; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3415
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A SPRAY NOZZLE FOR PRODUCING A WIDE ANGLE SOLID CONE SPRAY WITH A SQUARE PATTERN, A HOLLOW BODY HAVING AN ELONGATED CYLINDRICAL CHAMBER WITH AN AXIAL CYLINDRICAL DISCHARGE ORIFICE OF A REDUCED SIZE AT A FORWARD END THEREOF, A SWIRL UNIT WITHIN THE CHAMBER FOR IMPARTING SWIRLING MOVEMENT TO LIQUID MOVING IN SAID CHAMBER TOWARD THE DISCHARGE ORIFICE, SAID ORIFICE AT ITS OUTER END BEING FORMED WITH A FLARED SURFACE DEFINING A MOUTH FOR THE ORIFICE, AND SAID BODY BEING FORMED WITH FOUR SIDE FACES PARALLEL TO THE AXIS OF THE ORIFICE AND IN THE FORM OF A SQUARE CENTERED ON THE AXIS OF THE ORIFICE AND WITH THE FACES PARALLEL TO THE AXIS OF THE ORIFICE, SAID FACES BEING ARRANGED TO INTERSECT SAID FLARED SURFACE TO DEFINE LINES OF INTERSECTION OF THE SIDE FACE WITH SAID FLARED SURFACE THAT PROVIDE CONCAVE FORWARD EDGES FOR SAID SIDE FACES.
Claim 2
Dependent Claim
149 words
IN A SPRAY NOZZLE FOR PRODUCING A WIDE ANGLE SOLID CONE SPRAY WITH A SQUARE PATTERN, A HOLLOW BODY HAVING AN ELONGATED CYLINDRICAL CHAMBER WITH AN AXIAL CYLINDRICAL DISCHARGE ORIFICE OF A REDUCED SIZE AT A FORWARD END THEREOF, A SWIRL UNIT WITHIN THE CHAMBER FOR IMPARTING SWIRLING MOVEMENT TO LIQUID MOVING IN SAID CHAMBER TOWARD THE DISCHARGE ORIFICE, SAID ORIFICE AT ITS OUTER END BEING FORMED WITH A FLARED SURFACE DEFINING A MOUTH FOR THE ORIFICE, AND SAID BODY BEING FORMED WITH FOUR SIDE FACES PARALLEL TO THE AXIS OF THE ORIFICE AND IN THE FORM OF A SQUARE CENTERED ON THE AXIS OF THE ORIFICE AND WITH THE FACES PARALLEL TO THE AXIS OF THE ORIFICE, SAID FACES BEING ARRANGED TO INTERSECT SAID FLARED SURFACE TO DEFINE LINES OF INTERSECTION OF THE SIDE FACE WITH SAID FLARED SURFACE THAT PROVIDE CONCAVE FORWARD EDGES FOR SAID SIDE FACES.
References Cited (Backward Citations)
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |