Patent US3104829A successfully refreshed from Google Patents.
US3104829A
Expired / Lapsed
US
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Vane unit for spray nozzles
Assignee: Spraying Systems Co
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Filing: 1962-05-17
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Granted: 1963-09-24
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Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Fred W Wahlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:07
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3415; B23; B23C; B23C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A VANE UNIT OF THE CHARACTER DESCRIBED COMPRISING A UNITARY BODY HAVING UPPER AND LOWER ENDS AND SAID BODY APPEARING GENERALLY CYLINDRICAL IN END ELEVATION AND HAVING A PAIR OF VANES DISPOSED ON OPPOSITE SIDES OF AND PERPENDICULAR TO A PREDETERMINED AXIAL PLANE AND WITH SAID VANES SLOPING EQUALLY IN OPPOSITE DIRECTIONS AT A SUBSTANTIAL ACUTE ANGLE WITH RESPECT TO THE AXIS OF SAID BODY AND BEING INTEGRALLY JOINED IN A DIAMOND SHAPED AREA THAT IS LOCATED IN SAID PLANE AND IS CENTERED ON SAID AXIS, EACH OF SAID VANES IN THE PORTIONS ABOVE SAID DIAMOND SHAPED AREA HAVING A GROOVE FORMED THEREIN ADJACENT AND PARALLEL TO THE OTHER OF THE VANES, AND A TAB JOINING SAID VANES BELOW SAID DIAMOND SHAPED AREA AND BEING OF A THICKNESS THAT INCREASES TOWARD THE LOWER PORTIONS OF THE TAB.
Claim 2
Dependent Claim
137 words
A VANE UNIT OF THE CHARACTER DESCRIBED COMPRISING A UNITARY BODY HAVING UPPER AND LOWER ENDS AND SAID BODY APPEARING GENERALLY CYLINDRICAL IN END ELEVATION AND HAVING A PAIR OF VANES DISPOSED ON OPPOSITE SIDES OF AND PERPENDICULAR TO A PREDETERMINED AXIAL PLANE AND WITH SAID VANES SLOPING EQUALLY IN OPPOSITE DIRECTIONS AT A SUBSTANTIAL ACUTE ANGLE WITH RESPECT TO THE AXIS OF SAID BODY AND BEING INTEGRALLY JOINED IN A DIAMOND SHAPED AREA THAT IS LOCATED IN SAID PLANE AND IS CENTERED ON SAID AXIS, EACH OF SAID VANES IN THE PORTIONS ABOVE SAID DIAMOND SHAPED AREA HAVING A GROOVE FORMED THEREIN ADJACENT AND PARALLEL TO THE OTHER OF THE VANES, AND A TAB JOINING SAID VANES BELOW SAID DIAMOND SHAPED AREA AND BEING OF A THICKNESS THAT INCREASES TOWARD THE LOWER PORTIONS OF THE TAB.
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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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |