US3347463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray apparatus
Assignee: Bird Machine Co Inc
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Filing: 1965-09-07
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Granted: 1967-10-17
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Donald B Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:02
CPC Classifications
B; B05; B05B; B05B15/00; B05B15/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A SELF-CLEANING SPRAY FORMING DEVICE COMPRISING A NOZZLE HAVING A CAVITY THEREIN, A SPRAY OUTLET FROM SAID CAVITY AND A PAIR OF PORTS OPENING INTO SAID CAVITY, MEANS FOR PROVIDING A SUPPLY OF FLUID UNDER PRESSURE AT BOTH OF SAID PORTS, MEANS FOR PERIODICALLY CHANGING THE FLUID PRESSURE AT ONE OF SAID PORTS, A VALVE MEMBER WITHIN THE CAVITY OF SAID NOZZLE MEMBER MOVABLE IN RESPONSE TO FLUID PRESSURE CHANGES AT SAID ONE OF SAID PORTS TO MOVE AWAY FROM A SPRAYING POSITION TO A FLUSHING POSITION AND TO RETURN TO SPRAYING POSITION, A FLANGE IN SAID CAVITY EXTENDING ABOUT SAID VALVE MEMBER BETWEEN SAID PORTS AND SAID OUTLET, SAID VALVE MEMBER HAVING PORTIONS OF DIFFERENT DIAMETER OF SMALLER OF WHICH COOPERATES WITH SAID FLANGE TO PERMIT RELATIVELY FREE FLUID FLOW INTO THE OUTLET END OF SAID CAVITY WHEN SAID VALVE MEMBER IS IN SPRAYING POSITION AND THE LARGER OF WHICH COOPERATES WITH SAID FLANGE TO INHIBIT SUCH FLUID FLOW WHEN SAID VALVE MEMBER IS IN FLUSHING POSITION.
Claim 2
Dependent Claim
168 words
A SELF-CLEANING SPRAY FORMING DEVICE COMPRISING A NOZZLE HAVING A CAVITY THEREIN, A SPRAY OUTLET FROM SAID CAVITY AND A PAIR OF PORTS OPENING INTO SAID CAVITY, MEANS FOR PROVIDING A SUPPLY OF FLUID UNDER PRESSURE AT BOTH OF SAID PORTS, MEANS FOR PERIODICALLY CHANGING THE FLUID PRESSURE AT ONE OF SAID PORTS, A VALVE MEMBER WITHIN THE CAVITY OF SAID NOZZLE MEMBER MOVABLE IN RESPONSE TO FLUID PRESSURE CHANGES AT SAID ONE OF SAID PORTS TO MOVE AWAY FROM A SPRAYING POSITION TO A FLUSHING POSITION AND TO RETURN TO SPRAYING POSITION, A FLANGE IN SAID CAVITY EXTENDING ABOUT SAID VALVE MEMBER BETWEEN SAID PORTS AND SAID OUTLET, SAID VALVE MEMBER HAVING PORTIONS OF DIFFERENT DIAMETER OF SMALLER OF WHICH COOPERATES WITH SAID FLANGE TO PERMIT RELATIVELY FREE FLUID FLOW INTO THE OUTLET END OF SAID CAVITY WHEN SAID VALVE MEMBER IS IN SPRAYING POSITION AND THE LARGER OF WHICH COOPERATES WITH SAID FLANGE TO INHIBIT SUCH FLUID FLOW WHEN SAID VALVE MEMBER IS IN FLUSHING POSITION.
References Cited (Backward Citations)
US3073529A
Cited
US3249305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |